A couple of questions

Is it safe to use AHA during the day?

If you're cautious, you can wear an AHA by day. AHAs work by “ungluing” outer layers of dead skin and exposing the newer, healthier skin underneath. … We recommend physical sunscreens such as Keys if you are using AHAs during the day, as their effectiveness comes from physically blocking UV light from reaching your skin.Jun 4, 2012

Can AHA be used during the day?

Both AHAs and BHAs can be used day or night. Some products are formulated to be used at night as an overnight peel, while others (often serums) are meant to be used in the morning to gently slough off any dead skin cells.

Should you use AHA in the morning or night?

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.

Can you wear AHA in the sun?

FDA has considered evidence that suggests that topically applied cosmetic products containing alpha hydroxy acids (AHAs) as ingredients may increase the sensitivity of skin to the sun while the products are used and for up to a week after use is stopped, and that this increased skin sensitivity to the sun may increase …

Can you use AHA in the morning?

Applying hydroxy acids in the morning can help to remove dead skin cells and provides smooth, clear skin for optimal makeup application. Whenever you exfoliate your skin, you should always wear an SPF sunscreen to protect the fresh skin from sun damage.

Does AHA cause purging?

Acids — The most common acids that can cause skin purging are AHA's and BHA's, which include salicylic acid, malic acid, glycolic acid, and mandelic acid. … Other Exfoliating Agents — Physical scrubs, brushes, enzymes, and other tools used to exfoliate the skin and remove dead skin can also lead to skin purging.

Can I use niacinamide with AHA?

The short answer is yes you certainly can! The longer, more detailed answer, is there are a couple of ways to truly benefit from using niacinamide after using AHA and BHA. To avoid any redness or irritation from overusing potent skincare ingredients you can alternate which time of day you use them.

Can I use AHA twice a day?

Apply your AHA or BHA exfoliant after the cleanser and toner steps in your routine. … Some people do well exfoliating with AHA or BHA twice a day, whereas others find that once a day or every other day is a perfect balance.