How long should I use glycolic acid?

Author: Prof. Emerald Kovacek  |  Last update: Thursday, November 20, 2025

Start by leaving it on for two minutes, and once your skin builds up a tolerance, you may begin to increase the time in 30-second increments. If you prefer to use a glycolic acid facial cleanser – which has a lower concentration of the active ingredient – you can use it once a week after you've built up a tolerance.

How long do you use glycolic acid for?

How Long Does It Take For Glycolic Acid To Work? It can vary. Some products will give you results almost instantly or overnight however, most products will take a few uses to really see the true results. After about a month, you should notice clearer skin as glycolic acid works to keep skin clean and decongested.

When should I stop using glycolic acid?

Now, the important thing to remember is, glycolic acid comes in various concentrations. It is OK to use 1-2% containing glycolic acid face wash or ointments daily. The creams have a higher glycolic acid content (10% and above) and must only be used once or twice a week to avoid skin irritation.

Can you use glycolic acid long term?

Everyday usage is acceptable while using a rinse-off product, like a cleanser with glycolic acid. But, while using a leave-on glycolic acid product (such as a serum, gel, cream, mask, or peel), one should only apply it one to three times per week.

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 to Add Glycolic Acid to Your Skincare Routine | #SKINCARE

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.

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.

Are glycolic acid results permanent?

Superficial peels, such as glycolic acid or lactic acid peels, typically provide results that last for several weeks to a few months.

What are the bad side effects of glycolic acid?

Common side effects reported after the use of glycolic acid peels include reddening; a stinging sensation or sensation of pulling of facial skin; mild burning; and temporary post-inflammatory dark spots.

What does glycolic acid do for armpits?

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.

Should I moisturize after glycolic acid?

6. Always moisturize after use. Glycolic acid exfoliates and hydrates the skin, but it can irritate or dry out sensitive skin. Always follow your glycolic acid application with an additional light moisturizer to reduce the effects of dryness and irritation on the skin.

How to know glycolic acid is working?

Be patient with the process: Your skin may feel a bit rough after your first few treatments. This is normal and just means that the glycolic acid is working. Unless your skin is irritated, keep using your glycolic acid product. You should slowly start to see smoother, more healthy skin.

What is the best age to use glycolic acid?

Target age group

The skin is very soft and fragile when you are young, so it's better not to use such skin products so early. The right age to begin using these glycolic acid-based skin products is in the late or mid-20s. You can even start using them after the age of 30. It's never too late.

Why can't i use glycolic acid everyday?

Glycolic Acid, especially in high-strength solutions, can irritate the skin. If you have sensitive skin, a low-strength glycolic acid treatment can be added to your skincare routine. However, you should introduce them gradually, utilizing them just once or twice a week.

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 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.

Does skin look worse after glycolic acid?

Your skin may look worse after a chemical peel due to temporary side effects like redness, peeling, and breakouts. These effects are usually part of the normal healing process as your skin renews itself, typically lasting a few days to a couple of weeks.

What to avoid when using glycolic acid?

Because Glycolic Acid exfoliates the top layer of the skin, we would recommend avoiding any other products that also promote skin cell turnover. This would include ingredients such as Retinoids and Copper Peptides. Combining multiple resurfacing products may increase the chances of developing skin sensitivities.

What happens if you stop using glycolic acid?

With regular glycolic acid use, your skin gets used to a faster shedding cycle. When you stop, the skin's natural cell turnover slows back down, leading to a buildup of dead skin cells on the surface. This buildup can make your skin look dull, rough, and uneven.

Why is my skin getting darker after using glycolic acid?

“Those with darker skin tones, need to be cautious with glycolic acid,” warns Dr Buldeo. “It can cause a paradoxical darkening of the skin by stimulating melanocytes,” These are the melanin-producing cells in your skin's deepest layer so this can lead to hyperpigmentation in black skin.

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 don't neutralize glycolic acid?

When the acid is neutralized, it loses its effectiveness and can't penetrate the skin. Non-neutralized glycolic, on the other hand, retains its strength as a powerful agent of brighter, firmer, cleaner skin.

Can I use 7% glycolic acid every day?

Can I use glycolic acid everyday? Short answer: yes, Glycolic Acid can benefit your skin, but the key is finding the right strength that your skin can tolerate. As dermatologist Dr. Bottiglione explains, irritation or redness may occur initially, but there is no need to worry as permanent scars are uncommon.

Is it better to use glycolic acid in the morning or at night?

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.

Can you use glycolic acid under eyes?

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

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