Black Friday Deals 20% Off Sitewide + FREE Gift 🔥

Thick As Thieves Pure Glycolic Acid Lactic Acid Extreme Gel Peel - 50ml

Thick As Thieves Pure Glycolic Acid Lactic Acid Extreme Gel Peel - 50ml

50 ml / 1.70 oz
BRIGHT SMOOTH SKIN • EVEN-TONED SKIN • CELL TURNOVER
$108.00 $118.00
⭐️⭐️⭐️⭐️⭐️ Great product "On my 2nd bottle of the acid gel. Very easy to use and a noticeable difference for sure. Would highly recommend" - T.D [verified]
  • Dissolves Dead Skin Cells without causing Abrasions
  • Renew Skin, Shed Dead Skin Cells, and Reveals Youthful Glowy Skin
  • Improves Skin Texture and Boost Elasticity
Thick As Thieves Pure Glycolic Acid Lactic Acid Extreme Gel Peel - 50ml
By purchasing, you agree to the terms and privacy policy of Global-e, our international service provider.

This order ships free!

Estimated to be delivered on:

  • Clean ingredients

  • Cruelty-Free

  • 100+ Plants & Fruits Extracts

  • Rich In Vitamins & Minerals

Product Details

Thick As Thieves Glycolic Lactic Acid Peel

Clinical-Grade Exfoliating Peel with 20% Glycolic + 10% Lactic Acid for Smooth, Radiant Skin.


What It Is

Thick As Thieves Glycolic Lactic Acid Peel is not just an exfoliating peel—it’s a clinical resurfacing treatment designed to reset your skin, fast. Powered by 20% glycolic acid and 10% lactic acid in a pH-optimized formula, this Korean science-backed peel helps fade dark spots, acne scars, fine lines, and rough texture—without stripping your barrier.

If you’ve struggled with dullness, hormonal pigmentation, uneven tone, or breakouts, this chemical exfoliant for your face is the breakthrough your skin has been waiting for. Use 1–2 times per week to uncover smoother, clearer, glowier skin—instantly and over time. This is your glow upgrade if you're tired of dull, uneven, or congested skin.

Who Needs This

Dull, Rough, Clogged Pores

Blackheads, Whiteheads, Large Pores

Wrinkles, Skin Damage, Spots

 Key Active Ingredients in Korean Glycolic Acid Peel

  • 20% Glycolic Acid: A powerful AHA that deeply exfoliates, unclogs pores, and stimulates collagen to reduce fine lines and rough patches
  • 10% Lactic Acid: A gentler AHA that hydrates while resurfacing—ideal for dry, sensitive, or aging skin
  • Sodium Hyaluronate (3%): Rehydrates post-exfoliation to plump and smooth skin instantly
  • Birch Juice + Fig + Pomegranate Extracts: Antioxidant-rich botanicals that calm, brighten, and support skin recovery
  • Castor Oil: Moisturizes and reinforces lipid balance to prevent post-peel dryness

Why It’s The Best Glycolic Acid - a Game-Changer

  • Professional-strength formula, safe for at-home use
  • Targets hyperpigmentation, scars, dullness, and wrinkles fast
  • Optimized pH of 3.5 for clinical efficacy without harsh irritation
  • Oil-free, fragrance-free, and melanin-safe
  • Developed in South Korea. Made in the USA

This advanced AHA peel combines chemical exfoliation with Korean herbal extracts for superior performance without compromising skin comfort. It’s the best glycolic lactic acid peel for women and men looking for real results without the downtime of clinical treatments.

Glycolic Lactic Acid Peel vs Drugstore Peels

Visible Results

  • Skin feels smoother after the first use
  • Glow and clarity improve in 2–3 uses
  • Dark spots, roughness, and scars fade in 4–6 weeks
  • Increased firmness and even tone with continued use
  • Ideal for acne-prone, aging, or post-acne skin

How to Use Glycolic Acid 

  1. Apply a thin layer to clean, dry skin at night
  2. First 2 weeks: Leave on for 5–10 minutes, then rinse and follow with a barrier-repairing moisturizer
  3. After 3 weeks: Leave on overnight (if well tolerated), then rinse in the morning
  4. Always follow with SPF the next day (e.g., Habaek SPF50)

Do not use on broken or irritated skin. Avoid layering with other exfoliants or retinoids on the same day.

Want to Maximize Your Glow?

Download our free expert guide: “How to Exfoliate Without Damage” — packed with pro tips, routine breakdowns, and safe glow strategies for sensitive skin.

 Download the Guide

Clean, Safe, and Smart Formulation

  • No alcohol, parabens, sulfates, or synthetic fragrance
  • Oil-free | Non-comedogenic | Barrier-friendly
  • Cruelty-free | Water-based | Fragrance-free

What You’ll Get

  • 1x Thick As Thieves Glycolic Lactic Acid Peel (50ml)
  • Also available in: 30ml size

The Power Peel You’ll Actually Look Forward to Using

Thick As Thieves Glycolic Acid Peel isn’t about harsh acids or red, flaky skin. It’s about results—brighter skin, smoother texture, fewer spots, and visible glow after every use. Whether you’re dealing with acne marks, melasma, or the early signs of aging, this Korean-formulated peel helps you reclaim your healthiest skin yet.

This is a glycolic lactic acid exfoliant you can trust—clinically effective, barrier-conscious, and glow-boosting. Discover why it's quickly becoming a skincare staple for those serious about results without compromise.

 Shop Now – Glow Gets Real

Discover a barrier-safe, dermatologist-aligned Korean peel formulated to fade dark spots, refine texture, and reveal glow—even for sensitive and acne-prone skin.

Benefits

  • Powerful Anti-Aging Night Peel
  • Chemically Dissolves Dead Skin Cells and Reveals a Radiant Flawless Complexion
  • Chemically Dissolves Black and White Heads
  • Repairs Sun Damaged Skin
  • Reduces and Closes Large Pores
  • Promotes New Skin growth
  • Firms Skin, Boost Elasticity
  • Smoothes Skin, Glows, and gives a Luminous look
  • A Slight tingly feeling may be felt. This is normal and will reduce in-time
  • It can be used as a spot treatment

 

How To Use

Directions

  • Apply on a clean dry face. 
  • Leave on a for no longer than 20 mins. Increase the time as you get used to it.
  • [Optional] Next, Rinse off.
  • Safer when used at night. Recommended for night use only
  • Use no more than 3x a week

Recommended to Proceed to use SPF50 UVA UVB Broad Spectrum  

Precaution

  • Glycolic acid increases the skin's sensitivity to harmful UV rays.
  • It is very important to use SPF daily to protect the skin. This is a must.
  • Test the product on a forearm. Rinse off after 10 mins. Wait for 24hrs. If there's no inflammation or irritation, you can use it elsewhere.
  • This peel is can be used if you have sensitive skin. Patch test on your forearm first.
  • Avoid contact with any areas that have been broken, waxed or threaded on your face

Fragrance-Free, Paraben-Free, Non-Comedogenic

Eco-Friendly Packaging

Ingredients

FORTIFIED WITH:

  • Glycolic Acid 20% * AHA + PHA*: Derived from Sugarcane - Glycolic acid peels are resurfacing treatments that remove the top layer of the skin, revealing the smoother, younger skin underneath. They also help to reduce pore size. Reduces the appearance of fine lines or wrinkles and lightens hyperpigmentation or skin discoloration.
  • Lactic Acid 10% *AHA*: Derived from sour milk - An antiwrinkle and pigmentation-fighting ingredient. It exfoliates by dissolving dead skin cells. A lactic acid chemical peel is a technique that uses a chemical solution to improve and smooth the texture of the skin by removing its damaged uppermost layers.
  • Sodium Hyaluronate 3% *PLATINUM*: Smaller Molecule than Sodium Hyaluronic meaning it Penetrates Deeper and Better. Boost Moisture Levels, Hydrating, Youthful Skin, Moisturizing, Retains Moisture Retains Natural Moisture in the Skin.
  • Punica Granatum Extract *BEST*: Derived from Pomegranate – Super Anti-Aging, Antioxidants for Skin that helps prevent cell damage. Helps with the healing of wounds/skin and plays a powerful role in the repair of sun-damaged skin. It also stimulates the production of collagen and elastin.
  • Fig Fruit/ Leaf Extract *BEST*: The nutrients and vitamins found in figs help balance sebum production, and skin melanin, and prevent epidermal water loss. This increases hydration and keeps the skin free from wrinkles and premature aging. Figs reduce the appearance of wrinkles by promoting collagen production
  • Betula Platyphylla Japonica Juice *POWERFUL*: Not only it is loaded with skin-loving nutrients, but it is also more hydrating than water for the skin due to its tiny molecules which allow the skin to absorb better. It helps to prevent moisture loss from your skin while maintaining a positive oil moisture barrier.

Safe, Effective, and Developed with Care Our commitment to your skin's health and beauty extends beyond just the active ingredients. This oil-free, water-based formula is: • Free from alcohol, parabens, PEG, sulfates, and phthalates • Non-irritant and non-comedogenic • Developed in South Korea and made in the USA

Studies

Studies Conducted: All Our Studies were Conducted on 3 Different Continents (United States, Asia, and Africa) Different Individuals and Skin Tones from All Walks of Life. Everyday People Like You and Me. Tested on 1200 Persons Between the Ages of 30 to 65+ Years 90% Noticed a Reduction in Lines and Wrinkles in 1 week 100% Noticed Skin Texture Improvement in 1 week 95% Had Significantly Fewer Lines, Wrinkles, and Dark under Eye Circle in 21 Days 100% Noticed Brighter Youthful Skin in 21 Days

Everything You Need, Nothing You Don't

GLYCOLIC-PEEL

Glycolic Acid 20% AHA

Derived from Sugarcane - Glycolic acid...
Read more
Lactic acid being poured into a beaker labeled 'Lactic Acid' on a beige background

Lactic Acid 10% AHA

Derived from sour milk - An...
Read more

Sodium Hyaluronate 3% PLATINUM

Smaller Molecule than Sodium Hyaluronic meaning...
Read more
Punica Granatum Extract

Punica Granatum Extract BEST

Derived from Pomegranate – Super Anti-Aging,...
Read more
Beaker labeled 'Fig Extract' with figs on a beige background

Fig Fruit/ Leaf Extract BEST

The nutrients and vitamins found in...
Read more
japonica extract

Betula Platyphylla Japonica Juice POWERFUL

Loaded with skin-loving nutrients, more hydrating...
Read more

Castor Oil

Contains Triglycerides and prevents skin from...
Read more

The Results

Over 1200 Customers Across the Globe Witness Tranformative Skin Benefits.

  • 90% Noticed a Reductionin Lines and Wrinklesin 1 week

  • 100% Noticed Skin TextureImprovement in 1 week

  • 100% Noticed BrighterYouthful Skin in 21 Days

  • 95% Had Significantly Fewer Lines, Wrinkles, and Dark under Eye Circles in 21 Days

Dramatic Reduction in Pore Size and Dark Spots in 2 weeks

Thick As Thieves Pure Glycolic Acid Lactic Acid Extreme Gel Peel

Reduces Pore Size

Thick As Thieves Pure Glycolic Acid Lactic Acid Extreme Gel Peel

Removes the Top Layer of the Skin. Fewer Lines and Wrinkles in 2 weeks

Thick As Thieves Pure Glycolic Acid Lactic Acid Extreme Gel Peel

Promotes New Skin growth
Firms Skin, Boost Elasticity
Smoothes Skin, Glows, and gives a Luminous look

Thick As Thieves Pure Glycolic Acid Lactic Acid Extreme Gel Peel

There is very little this combination of ingredients cannot do.

How to Use

Directions

  • Apply on a clean dry face. 
  • Leave on a for no longer than 20 mins. Increase the time as you get used to it.
  • [Optional] Next, Rinse off.
  • Safer when used at night. Recommended for night use only
  • Use no more than 3x a week

Recommended to Proceed to use SPF50 UVA UVB Broad Spectrum  

Precaution

  • Glycolic acid increases the skin's sensitivity to harmful UV rays.
  • It is very important to use SPF daily to protect the skin. This is a must.
  • Test the product on a forearm. Rinse off after 10 mins. Wait for 24hrs. If there's no inflammation or irritation, you can use it elsewhere.
  • This peel is can be used if you have sensitive skin. Patch test on your forearm first.
  • Avoid contact with any areas that have been broken, waxed or threaded on your face

Fragrance-Free, Paraben-Free, Non-Comedogenic

Eco-Friendly Packaging

PEEL
RINSE-OFF-FACE

Apply on a clean dry face.
Leave on a for no longer than 20 mins. Increase the time as you get used to it.
[Optional] Next, Rinse off.
Safer...

Read More

Apply on a clean dry face.
Leave on a for no longer than 20 mins. Increase the time as you get used to it.
[Optional] Next, Rinse off.
Safer when used at night. Recommended for night use only
Use no more than 3x a week

Read Less

The Difference

Why Our Glycolic and Lactic Acid Combination is a Game-Changer
Glycolic Acid and Lactic Acid are not just ingredients; they're your skin's best friends when it comes to renewal and rejuvenation. Together, they work tirelessly to:
• Stimulate skin renewal
• Shed dead skin cells
• Reveal a bright, youthful glow
Chemical exfoliation, powered by these key ingredients, stands out as the most effective way to remove dead skin without causing abrasions. Our formula is designed to:
• Dissolve black and whiteheads
• Repair sun-damaged skin
• Reduce and refine large pores
• Promote new skin growth
• Firm and boost skin elasticity
• Smooth, glow, and enhance luminosity

Read More

What to Expect

Glycolic Acid and Lactic Acid are the perfect combinations of active ingredients for skin renewal
Glycolic Acid is a miraculous ingredient that solves many skin problems from aging, sun-damaged skin, acne, spots, other skin problems

Read More

Before & After Using gymsegbë K-Beauty Skin Care

This serum is amazing!

This serum is amazing!

“My wrinkles significantly decreased in less than a month! my skin is so dewy and moisturized with this powerful serum. It's one of my favorite products!”

Patricia L., UNITED STATES

Verified CUSTOMER

Read more
Peel

Peel

“i love this product my face and neck are do much smoother my wrinkles are vanishing”

Brenda C., UNITED STATES

Verified CUSTOMER

Read more
It works. Dark spots really faded

It works. Dark spots really faded

“I have tried everything but this truly works. At age 70 the dark spots and skin discoloration was really bothering me, but now after 3 weeks dark spots and all my redness is so faded that a light makeup hides everything and I am getting compliments on my skin looking beautiful since using this product.”

Deborah D.., UNITED STATES

Verified CUSTOMER

Read more
Awesome product

Awesome product

“This Gymsegbe Eraser Cream has made a big difference in removing the black and dark spots on my face. In less than 2 weeks there was a noticeable difference. I will definitely recommend this to my friends”

J.C., UNITED STATES

Verified CUSTOMER

Read more
This acne serum is amazing!

This acne serum is amazing!

“I bought this as a part of the acne set and I see results extremely quickly. Minutes after I apply it all my inflammation calms down and my skin starts to feel very smooth. It is also very gentle so I’m able to use it night and day.”

Robyn., UNITED STATES

Verified CUSTOMER

Read more
Dynamic toner

Dynamic toner

“I couldn’t go without this toner! I just put some in the palm of my hand and pat it on! So easy! I love the way it leaves my skin smooth and hydrated! Perfect first step to my whole routine! Highly recommend!! All these products have made a huge difference in my skin!!!”

Karrie R., UNITED STATES

Verified CUSTOMER

Read more

FAQ

Is this peel safe for dark skin tones (Fitzpatrick IV-VI)?

Yes – Gymsegbe’s gel peel is formulated to be melanin-safe. We specifically chose lactic acid (which is gentler) and added anti-inflammatory ingredients to minimize any risk of post-inflammatory hyperpigmentation. Unlike harsh peels that can cause uneven light spots on deeper skin, this peel will not bleach your natural skin color. It only targets excess pigment in dark spots and dead surface cells, not the healthy melanin deeper in your skin. In fact, chemical peels are a dermatologist-approved method to brighten hyperpigmentation in darker skin when done with the right acids and concentrations my.clevelandclinic.org. Just be sure to follow directions (don’t overuse) and wear your sunscreen daily. Many users with rich complexions have reported an improvement in glow and clarity without any adverse effects. (If you have a history of very sensitive, reactive pigmentation, do a patch test and start with short application times.)

I have sensitive skin – will this cause irritation or redness?

Our peel is designed for sensitive skin in mind. The combination of glycolic + lactic is balanced with hydrating and soothing agents (hyaluronic acid, fig, birch sap) to cushion the exfoliation. In trials, users noted only a mild tingling at most, and no prolonged redness. It is free of fragrance and alcohol, common triggers for irritation. Of course, even sensitive skin can vary – you might experience a bit of pinkness for an hour after use, but that should subside quickly. If you’re extremely reactive, leave the peel on for just 3 minutes the first time and build up gradually. Over time, as your skin’s tolerance increases, you should be able to use it weekly for a healthy glow. Always moisturize after rinsing and avoid combining with other strong actives on the same day (to keep your routine gentle). Many people with rosacea-prone or eczema-prone skin have successfully used this peel 1x/week to smooth texture without flare-ups, thanks to its barrier-respectful formula.

How often should I use the Gel Peel, and can I incorporate it into my existing routine?

Start with once per week. This gives your skin time to recover and turn over cells naturally. If after a few weeks you want more exfoliation and your skin is handling it well, you can increase to twice a week (e.g. Monday and Friday nights). Do not use it more than 2 times a week, as more frequent use can lead to over-exfoliation (dryness, irritation, breakouts). On “peel days,” simplify your routine: cleanse, apply the peel, rinse, then moisturize. Do not use other exfoliating products or retinol on the same night. gymsegbe.com. It’s fine to use your vitamin C, retinol, or other actives on non-peel days – in fact, a rotate-and-rest approach (peel one night, retinol the next, etc.) can maximize benefits without overloading the skin. Each week, map out your routine so that potent actives are on separate days. Always use sunscreen in the morning, especially following a peel night. By integrating the peel responsibly, it will enhance your routine by clearing the way for your serums and moisturizers to absorb better, and helping your other treatments work more effectively.

Can I layer this peel with other treatments (like vitamin C serum or niacinamide)?

When the peel is on your face, do not layer anything else. It should be applied to bare cleansed skin, left to work, then rinsed off. After rinsing and patting dry, you can apply a gentle hydrating serum or moisturizer. It’s best to avoid strong actives (like vitamin C, AHAs, BHAs, retinol) immediately after the peel to prevent irritation – let your skin calm down overnight with just hydration and barrier-loving ingredients. The next day, you can resume your normal morning routine (vitamin C in AM is fine). Niacinamide is generally gentle and can be used after rinsing the peel if your skin tolerates it, but many find it unnecessary as the peel already brightens and the niacinamide could potentially tingle. A good strategy: use a simple hyaluronic acid serum and a moisturizer after the peel. Save your potent treatments for the following days. Bottom line: treat the peel night as a “rest night” for your skincare – exfoliate, hydrate, and let your skin reset.

Is it safe to use during pregnancy or breastfeeding?

While this formula contains no retinoids or other known high-risk ingredients (it’s primarily acids, which largely stay on the surface), we always advise caution. Pregnancy can make your skin more sensitive, and hormone-related pigmentation (melasma) might be better handled with milder products unless approved by your OB/GYN or dermatologist. Many doctors do consider glycolic and lactic acids at moderate concentrations safe to use during pregnancy, especially compared to harsher peels gymsegbe.com . However, because every pregnancy is unique, please consult your healthcare provider before using this peel if you are pregnant or nursing. If approved, patch test first and use at the lowest frequency (maybe biweekly) to gauge tolerance. And as always, diligent sunscreen use is extra important during pregnancy, since hormones can make skin more prone to darkening. When in doubt, stick to a very gentle regimen and save your stronger treatments for after breastfeeding – but again, this peel is free of the major “no-no” ingredients, so with doctor’s okay it can be a part of a pregnancy-safe routine for tackling maskne or melasma.

When will I start seeing results, and what kind of improvements can I expect?

You’ll likely notice an immediate boost after the first use – once you rinse off the peel, your skin will feel smoother and look slightly more radiant (that post-exfoliation glow). Within about 2–3 uses (2–3 weeks), users report increased brightness and a more refined texture: blurring of fine lines, reduced bumpiness, and a healthy glow. Stubborn issues like dark spots, acne marks, and fine wrinkles tend to show visible improvement by the 4–6 week mark of consistent use. For example, one can expect post-acne spots to lighten up, areas of blotchiness to even out, and pores to appear less pronounced as congestion clears. If you’re dealing with deep-set wrinkles or very severe dark patches, those might take longer or benefit from additional treatments (like vitamin C or professional peels), but you should still see overall skin quality enhancement. Importantly, the results also depend on using sunscreen and moisturizer – those who diligently protect and nourish their skin will see faster, better results (because new skin won’t get re-damaged by UV). Many of our customers say that after 1–2 months, makeup applies smoother and they need less of it since their skin texture and tone have improved so much. And with ongoing use beyond that, the improvements continue – the peel helps maintain that fresh, youthful complexion by continuously encouraging cell renewal.

Our Step-by-Step Regimen

Step 1: Cleanse

Intensely Penetrates the Skin and Washes...
Read more

Step 2: Glycolic Lactic Acid Peel

Glycolic solves aging, sun-damaged skin, acne,...
Read more

step 3: Night Moisturizer

Power-Packed With Natural Fruit And Plant...
Read more

Step 4: Anti-aging SPF50 with Niacinamide

Prevents Premature Aging such as Sunspots...
Read more
6 Weeks using Peel, Peptide Moisturizer & SPF50

Transform Your Skin From Acne to Radiance

Formulated with cutting-edge ingredients and proven techniques, our system actively targets and treats existing acne, reduces dark spots, and evens out your complexion.

Our skincare regimen also works to prevent future breakouts and skin damage, offering a long-term solution for healthier, more beautiful skin.

Invest in a skincare system that delivers real results and gives you the confidence to face the world naturally.

6-8 Weeks (Full Set, Combo & Eye Cream)

Transform Your Reflection The Secret to Youthful Skin

Formulated with cutting-edge anti-aging technology and natural hydrating ingredients, our product addresses all major skin concerns:

Rediscover your youthful radiance and vitality.

Enjoy the admiration of others for your healthy, glowing complexion.

Transform the way you see yourself, with the mirror reflecting a younger, more vibrant you. Embrace life with the confidence that comes from feeling beautiful

6-8 Weeks (Combo & Full Acne Set)

Empowering Real Lasting Results

Our innovative skincare regimen bridges the gap between your current skin struggles and your desired clear and radiant complexion. Here's how:

  • Refined Complexion:
  • Nourished and Rejuvenated Skin
  • Acne-Fighting Agents
  • Improved Skin Texture

Take control of your skin's health today and experience the transformation you've been dreaming of. Your path to smooth, clear, and healthy-looking skin starts here. Join countless others who have found their confidence and joy through our revolutionary skincare regimen. Try it now and wake up to the skin you’ve always wanted.

5-6 Weeks (Full Set, Vitamin Serum & Precious Pearl Radiance)

Empowering Real Lasting Results

Our advanced skincare formula bridges the gap between your current skin struggles and the radiant complexion you crave. Combining cutting-edge anti-aging technology with natural, nourishing ingredients, our product delivers visible results within weeks.

Feel the difference as your skin transforms into a source of confidence and pride. No more worrying about dryness or signs of aging—just pure, youthful radiance. Join countless others who have rediscovered their best skin, and take the first step toward a glowing, revitalized appearance today.