How long does 7% glycolic acid take to work?

Author: Prof. Princess Lindgren V  |  Last update: Sunday, June 29, 2025

Typically, users can start seeing improvements in their skin texture and appearance within two to four weeks of consistent use. This makes it a go-to choice for those looking to enhance their skincare routine and see quick results. The effectiveness of glycolic acid depends on several factors.

Is it okay to use glycolic acid 7% everyday?

Though gentle enough for everyday use, we generally recommend to exfoliate once or twice a week. Over-exfoliating can damage the skin barrier, which can lead to redness, irritation, or breakouts.

How long does glycolic acid take to show results?

After about a month, you should notice clearer skin as glycolic acid works to keep skin clean and decongested. Two months in, you should see that dark spots and pigmentation is reduced as the regular glycolic acid application is melting away old, dead skin cells and increasing cell turnover.

How to know if glycolic acid is working?

It's important to feel the Trustworthy Tingle or the "sting" to know it's working. The glycolic enters the pores to exfoliate, brighten, and build collagen. If it's neutralized it doesn't do any of this. Some sting, redness or dryness is normal with active non-neutralized glycolic acid.

How often should I tone with glycolic acid?

It is advisable to use the glycolic acid toner 3-4 times a week for oily & acne prone skin & 1-2 times for dry skin. Glycolic acid side effects and potential risks: Some known side effects associated with glycolic acid include red, dry skin as well as irritation.

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What not to mix with glycolic acid?

What NOT to mix with Glycolic Acid. Retinol, other AHAs/BHAs, Vitamin C: Using these ingredients alongside Glycolic Acid in the same routine could irritate the skin. However, alternating them between your morning and evening skincare routine means that you can enjoy the benefits without the risk of damaging your skin.

Do I apply moisturizer after glycolic acid?

Should I Moisturise After Glycolic Acid? We always recommend using an intensive moisturiser after a Glycolic Acid product, as this AHA can be drying to your complexion. This is particularly important if you already have dry skin or are prone to sensitivity.

How long does 7 glycolic acid take to work?

To clear blackheads, glycolic acid can take 3-4 weeks to take effect for clearer, congestion-free skin. This is because it takes time and repeated use for glycolic acid to break down pore-blocking dead skin cells and debris for clearer skin that doesn't have any congestion.

How many layers of skin does glycolic acid remove?

The American Society for Dermatologic Study has confirmed that glycolic acid can be applied to the skin at two levels. In low or "superficial" amounts, this alpha-hydroxy acid penetrates only the outer layer of skin to gently exfoliate it and reveal the new, less damaged skin underneath.

Do you apply glycolic acid on wet or dry skin?

As part of the Treat step, the Glycolic Acid 7% Exfoliating Toner would be applied after cleansing to dry skin. We would recommend using a gentle cleanser without any strong actives such as our Glucoside Foaming Cleanser.

What percentage of glycolic acid works best?

Concentration matters, too; amounts between 5 and 10 percent of glycolic acid are ideal (though there are more intense, rinse-off peels with higher concentrations of AHAs you can use at home).

How long will my skin purge from glycolic acid?

Skin purging is said to last 4-6 weeks, however, everyone's skin is different (2). This is only temporary and will eventually subside as your skin adjusts to the new treatment. In the meantime, it is important to cleanse gently and avoid picking at your skin, as this can cause further irritation.

Is it better to use glycolic acid at night or day?

Glycolic acid is easy to use because there are so many ways to incorporate it into your skin care routine. As a rule of thumb, use one glycolic acid product at a time to avoid irritation, and incorporate it into your evening routine, since it makes skin more sensitive to sunlight.

What are the benefits of 7% glycolic acid?

POWERED BY 7% GLYCOLIC ACID: Promotes more even looking skin tone, reduces the appearance of lines, and wrinkles, and boosts radiance. MULTI-FUNCTIONAL FORMULA: Can also be applied to the scalp to hydrate and rebalance dry scalp skin.

How long to leave glycolic acid on armpits?

Yes, Glycolic Acid Exfoliating Body Stick is suitable for up to 1x daily use on the bikini line and underarm areas. If using on the underarms, apply 10-15 minutes before using deodorant/anti-perspirant.

Can you overdo glycolic acid?

However, as with all chemical exfoliants, using glycolic acid too frequently, at too high a concentration, or incorrectly can result in skin irritation or damage.

Should I wash off glycolic acid 7%?

Massage well. Do not rinse off. Do not use on sensitive, peeling, or compromised skin. Avoid the eye contour and contact with eyes.

What not to layer with glycolic acid?

Vitamin C is effectively an acid (it's sometimes known as ascorbic acid), so layering it with AHAs and BHAs like glycolic, salicylic, and lactic acids is a big no-no.

Can you use glycolic acid under eyes?

Glycolic Acid is your go-to for an eye cream, gentle yet effective to demolish dark circles.

How long does it take for glycolic acid to get rid of dark spots?

Typically, you can expect to see noticeable results from glycolic acid in a few weeks to a couple of months. But this timeline is not set in stone and can vary based on factors such as the severity of the hyperpigmentation, the concentration of glycolic acid used, and how frequently you apply it.

Can I use glycolic acid 7% twice a day?

Exfoliation is not meant to be done every single day of the week. It should be done about one to three times a week, depending on your skin type. Important: glycolic acid causes sun sensitivity, so you should use it at night.

How do you get the best results from glycolic acid?

Here are some tips for incorporating glycolic acid into your skincare regimen.
  1. Use at night. Glycolic acid can make your skin more susceptible to UV rays during sun exposure. ...
  2. As a face wash. ...
  3. As a skin toner. ...
  4. As a chemical peel. ...
  5. As a mask. ...
  6. Always moisturize after use. ...
  7. Avoid additional exfoliating scrubs.

Can I leave glycolic acid on my face overnight?

Use glycolic acid products exclusively at night. This is important as glycolic acid, and all other AHAs increase the skin's sensitivity to UV radiation. To safeguard the freshly exfoliated skin, apply at bedtime and wear sunscreen in the morning.

Is glycolic acid better on wet or dry skin?

To achieve smoother, healthier, and more radiant skin, start by removing your makeup and then cleanse your face. Also, ensure your skin is properly dried: applying on wet skin will be less effective and less well-tolerated, as the presence of water makes the acid more irritating.

Is it OK to use hyaluronic acid after glycolic acid?

Absolutely! In fact, these two ingredients are a skincare dream team. Glycolic acid exfoliates and renews your skin, but it can sometimes cause dryness or irritation. That's where hyaluronic acid comes in—it replenishes moisture and soothes your skin after exfoliation.

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