What Percentage Of AHA Is Effective?

What percentage AHA should I use?

Your selected AHA should have a maximum concentration between 10 and 15 percent.

Apply new products every other day until your skin gets used to them.

This will also reduce the risk of side effects, such as irritation..

What percentage of glycolic acid is effective?

According to Isaac, the ideal percentage of glycolic acid for at-home use would be 8 percent to 30 percent, with 30 being what she called the “high normal.” “Most face washes are somewhere between 8 to 10 percent. Creams can be 15 percent and be used daily.

Is it OK to use AHA everyday?

As your skin gets used to them, you can then start applying AHAs every day. Also use extra caution when going out in the sun. The peeling effects of highly-concentrated AHAs may make your skin more sensitive to UV rays for up to one week after use.

What should you not mix with AHA?

Don’t Mix: Retinol with vitamin C, benzoyl peroxide, and AHA/BHA acids. AHA and BHA acids are exfoliating, which can dry out skin and cause further irritation if your skincare routine already includes retinol. As for benzoyl peroxide and retinol, they cancel each other out.

Is 5% glycolic acid effective?

“I suggest starting with a low percentage glycolic acid serum, like 5 percent, if you’re new to using acids,” says Dr. Obayan. … As a rule, the higher the percentage, the more effective the formula will be at brightening dark spots and smoothing lines…but also the harsher it can be on your skin.

What is the strongest Aha?

Glycolic acidGlycolic acid: The most common AHA, derived from sugarcane. It is also the strongest, due to its small molecule size, but that makes it the most irritating, too. Lactic acid: The second most common AHA, derived from milk. It’s a gentler alternative to glycolic acid, and can be appropriate for sensitive skin.

How long should you leave AHA on face?

The reason I personally leave acids on for 15-20 minutes before moving to other steps is due to my preference for gentler formulations that contain weaker concentrations of acids.

Can I use Aha every night?

It depends on your skin type and what acid you’re using: Glycolic acid: On dry, sun-damaged skin, you can use it every other night. Lactic acid: Use it once or twice a week at night on sensitive skin. Other skin types can use it more often.

Should you use AHA in the morning or night?

The other liquid exfoliant is Alpha-Hydroxy-Acids (AHA’s, Glycolic, Lactic). As AHA’s increase your skin’s sensitivity to the sun, I’d suggest using this at night. If you use a AHA in the morning, always make sure to follow with a broad spectrum sunscreen.