Niacinamide + Lactic Acid (AHA)

Can you use Niacinamide with Lactic Acid?

Yes

Yes. Niacinamide is a good partner for Lactic Acid.

Why

Niacinamide is gentle and hydrating and can offset dryness from exfoliating acids. There is no known conflict.

How to use them together

  1. Apply Lactic Acid on clean skin.
  2. Follow with Niacinamide and moisturizer.
  3. Wear sunscreen every day.

Who should be careful

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

About the ingredients

Niacinamide: Vitamin B3. Well tolerated, supports the skin barrier and helps with redness, oil and uneven tone.

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.

FAQ

Can I use Niacinamide and Lactic Acid together?

Yes. Niacinamide is a good partner for Lactic Acid.

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

Apply Lactic Acid on clean skin. Follow with Niacinamide and moisturizer.

Who should be careful combining Niacinamide and Lactic Acid?

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

Do I need sunscreen with Niacinamide and Lactic 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. Bissett DL, et al. Niacinamide: a B vitamin that improves aging facial skin appearance. Dermatol Surg. 2005;31(7 Pt 2):860-865.
  2. Kornhauser A, Coelho SG, Hearing VJ. Applications of hydroxy acids: classification, mechanisms, and photoactivity. Clin Cosmet Investig Dermatol. 2010;3:135-142.

Last reviewed: . Not medical advice.

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