How long does it take for glycolic acid to work?

Author: Enos Hoeger  |  Last update: Friday, December 12, 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.

How do I 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 long will it take to see results from glycolic acid?

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 long does the ordinary glycolic acid take to work?

This glycolic acid toner from The Ordinary has made a significant difference in my skincare routine. After incorporating it twice a week, I noticed a noticeable improvement in my skin texture within just two weeks.

Can I use glycolic acid 7% everyday?

More irritation does not mean better results. You know your skin best and if you feel any discomfort, rinse off. Though gentle enough for everyday use, we generally recommend to exfoliate once or twice a week.

GLYCOLIC ACID | What Does It Do? | What Is It Used For? | Mature Skin | Oily Skin over 40

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.

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.

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.

Should you leave glycolic acid on overnight?

They're generally left on overnight. Glycolic acid peels often come in the form of a single-use pad that can be applied before bed. These formulas are crucial to any skincare routine because they exfoliate the skin and help to remove dead skin cells that contribute to duller-looking skin and acne or blemish formation.

Does glycolic acid help with armpit odor?

Underarm deodorants work by either inhibiting the growth of these bacteria, or by halting perspiration altogether. Acids such as glycolic and salicylic work as effective natural deodorants. Their low pH makes it impossible for odor-causing bacteria to survive on your skin, leaving you feeling fresh and confident.

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.

What happens if you use too much glycolic acid on face?

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.

Can you use glycolic acid under eyes?

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

What neutralizes glycolic acid?

Neutralisation is required to terminate the action of gly- colic acid peels and can be achieved using water, sodium bicarbonate, sodium hydroxide or ammonium salt solu- tions.

Should I apply moisturizer after glycolic acid?

Apply Serum Or Moisturiser After Glycolic Acid

It's important to properly moisturise your skin after you apply glycolic acid. As you're effectively removing the top layer of dead skins cells, you could be left with some peeling or flaking (although this is much more prominent after glycolic acid peels).

What to pair with glycolic acid at night?

Apply vitamin C in the morning and glycolic acid at night. Glycolic acid and hyaluronic acid: Since hyaluronic acid loads up skin with moisture, it makes for an excellent pairing with glycolic acid. Look for a product that combines both for easiest application, though you can also layer serums.

How long to leave glycolic acid on feet?

Step 1: Wash and dry your feet. Step 2: Pat the pouch 2-3 times prior to opening to spread the serum evenly. Cut along the seam to separate the socks, then insert each foot into a peeling sock and secure around the ankle with the adhesive tape. Step 3: Leave on for 90 minutes and gently remove socks and dispose.

What do purging pimples look like?

Appearance. Acne purging and breakouts can look similar at first glance, with increased red bumps and pimples. However, purging tends to cause uniform congestion, affecting the entire area where you applied the new treatment. Breakouts often appear more sporadic in your usual problem spots.

Why am I getting pimples after using glycolic acid?

When regularly applying a treatment containing active ingredients that boost cell renewal, such as glycolic acid, the microcomedones that are forming will all emerge a few days later. This phenomenon is referred to as "the purge". As a reminder, a natural cycle of skin cell renewal lasts approximately 28 days .

Can I use glycolic acid on my pubic area?

In intimate areas, the skin may become rough due to factors like shaving, friction, or hormonal changes. Glycolic acid's exfoliating properties can help improve texture and smoothness. Low concentrations, typically around 5-10%, are advised for use in sensitive areas to minimize the risk of irritation.

Do I rinse off glycolic acid?

The majority of products containing lower than 10% glycolic acid do not require rinsing unless the instructions state otherwise. If you're using a peel, mask or scrub, simply follow the instructions on the back of the product.

What does glycolic acid do to hair?

It Can Reduce Breakage

Many people experience hair breakage, making it difficult to grow the hair thick and long. Glycolic acid can nourish and hydrate the hair, which, in turn, prevents tangling, making it easier to style the hair without it breaking off.

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