What are the problems with glycolic acid?

Author: Ashleigh Metz  |  Last update: Thursday, January 1, 2026

Glycolic acid side effects In rare cases, the use of glycolic acid can cause a flare-up of pimples, persistent redness and a loss of pigmentation in the skin. Because glycolic acid makes skin more sensitive to ultraviolet (UV) light, try to use it at night and in conjunction with sunscreen with an SPF of 30 or higher.

Do dermatologists recommend glycolic acid?

Discussion. Glycolic acid is the alpha-hydroxy acid used most commonly by dermatologists for chemical peeling. It is used in concentrations from 20%–70% in all skin types. It should be used in lower concentrations initially, and then the strength of the peel should be gradually increased in subsequent sessions.

Is glycolic acid safe, yes or no?

Glycolic acid is a mild peel that is safe for all ages and almost all skin types. Glycolic acid peels can be used to can be used to treat a wide range of skin conditions including acne, rosacea, actinic keratoses, age spots, fine and coarse wrinkles, keratoses pilaris, pigmentation problems, and superficial scarring.

What skin types should not use glycolic acid?

Glycolic acid is an exfoliator with the strongest AHA. All skin types can use it but sensitive skin might get irritated by using this acid.

What happens if you leave glycolic acid on too long?

'Repeated use might end up damaging the collagen -- the deeper layers of skin -- giving rise to thickening, paleness and shininess (imagine Hollywood actors who've had too much facial work done). '

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

Is it bad to use glycolic acid everyday?

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.

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.

What cannot be mixed 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 you 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.

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.

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.

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.

What is a natural alternative to glycolic acid?

2. Aloe Vera Gel. A staple in Ayurvedic skincare, aloe vera is rich in vitamins A, C, E, and B12, enlisting it as a perfect substitute for glycolic acid serums. It can deeply penetrate the skin, offering a potent mix of hydration, nourishment, and gentle exfoliation.

Which is better retinol or glycolic acid?

Clinically speaking, retinol lacks the penetrative strength of Retin-A and glycolic acid, as it remains inactive and fails to reach beyond the superficial layer of the skin. Conversely, glycolic acid has the ability to deeply penetrate the skin, breaking down the "glue" that holds together dead and dull skin cells.

What happens if you go in the sun after using glycolic acid?

Risks of glycolic acid

AHAs may reduce the signs of sun damage. However, because AHAs also remove the top layer of skin cells, they can make the skin more photosensitivity. This refers to making the skin more vulnerable to further sun damage.

Is glycolic acid good for older skin?

Glycolic acid effectively tackles mature skin concerns such as wrinkles, fine lines, etc. Glycolic acid is an alpha-hydroxy acid (AHA) derived from sugar cane and can penetrate the skin easily (being the smallest and one of the strongest molecules).

Can I leave glycolic acid on overnight?

Glycolic acid can be used on the face and let it absorbed into the skin by leaving it on all night. Rinse off with water the next day.

What should you avoid after 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.

Does skin purge after glycolic acid?

Glycolic acid is a powerful ingredient that can provide numerous benefits for the skin, but it can also cause skin purging, redness, and burning if used improperly. Here are some tips to prevent these side effects when using glycolic acid: It starts with a lower-concentration product and uses it once or twice a week.

What cancels out glycolic acid?

Glycolic acid and niacinamide.

Indeed, niacinamide used with AHA's like glycolic acid and lactic acid has no effect and can even cause redness. Since niacinamide has a pH of about 5-7, it can actually increase the lower pH of glycolic acid, which is about 3-4, and negate its properties.

Who should avoid glycolic acid?

Glycolic acid can cause irritation and redness if you have sensitive skin or overuse the product. Since glycolic acid can make your skin sensitive to the sun, remember to wear sunscreen and consider using glycolic acid at night.

What is the best pair for glycolic acid?

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.

Can glycolic acid remove dark spots?

Glycolic acid is highly effective in reducing dark spots and treating hyperpigmentation. It works by promoting the shedding of pigmented cells and encouraging the growth of new, evenly pigmented skin cells. This process helps to lighten dark spots and improve the uniformity of the skin's tone.

Why does glycolic acid stop body odor?

"Glycolic acid is thought to help reduce body odor by reducing the pH of the skin and making it harder for the odor-causing bacteria to survive," Garshick says.

How to know if glycolic acid is working?

Signs that glycolic acid is working include smoother skin texture, fewer breakouts, and a more even skin tone. Some people may also notice a light tingling sensation on application, which is normal.

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