Lactic Acid (AHA) + Ferulic Acid

Can you use Lactic Acid with Ferulic Acid?

Yes

Yes. Lactic Acid and Ferulic Acid can be used together.

Why

There is no known conflict. Ferulic Acid is an antioxidant typically used in the morning; Lactic Acid is often used in the evening.

How to use them together

  1. AM: Ferulic Acid serum, sunscreen.
  2. PM: Lactic Acid a few times a week.

Who should be careful

Wear sunscreen daily. People with very sensitive skin, rosacea or eczema should patch test new products first.

About the ingredients

Lactic Acid (AHA): A gentler alpha hydroxy acid with a larger molecule than glycolic acid. Exfoliates and helps hydrate. Like all AHAs, it can increase sun sensitivity.

Ferulic Acid: A plant antioxidant best known for stabilizing vitamins C and E in serum formulas.

FAQ

Can I use Lactic Acid and Ferulic Acid together?

Yes. Lactic Acid and Ferulic Acid can be used together.

Should I use Lactic Acid or Ferulic Acid in the morning or at night?

AM: Ferulic Acid serum, sunscreen. PM: Lactic Acid a few times a week.

Who should be careful combining Lactic Acid and Ferulic Acid?

Wear sunscreen daily. People with very sensitive skin, rosacea or eczema should patch test new products first.

Do I need sunscreen with Lactic Acid and Ferulic Acid?

Yes. Daily broad-spectrum SPF 30+ is recommended with any active skincare routine.

Sources

Studies and reviews on these ingredients and, where available, on this specific combination.

  1. Kornhauser A, Coelho SG, Hearing VJ. Applications of hydroxy acids: classification, mechanisms, and photoactivity. Clin Cosmet Investig Dermatol. 2010;3:135-142.
  2. Lin FH, et al. Ferulic acid stabilizes a solution of vitamins C and E and doubles its photoprotection of skin. J Invest Dermatol. 2005;125(4):826-832.

Last reviewed: . Not medical advice.

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