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Active Ingredients

Ascorbic Acid

抗坏血酸

Also known as: Vitamin C, L-Ascorbic Acid

What it does

  • Antioxidant protection
  • Brightens skin
  • Stimulates collagen
  • Enhances sun protection

Effective concentration

Minimum 8% Optimal 10-20%

pH must be below 3.5 for L-ascorbic acid penetration.

Evidence

Strong evidence

Skin types

Well suited for: Normal Oily Combination
Use with caution: Sensitive Rosacea

Helps with

Dark Spots & Hyperpigmentation Dullness Aging & Fine Lines Sun Damage
Irritation potential
Medium
Comedogenic rating
0 / 5
Pregnancy
Generally considered safe during pregnancy

Good to know

Unstable—oxidizes with light/air. Look for opaque, airless packaging.

Related ingredients

Niacinamide 3-O-Ethyl Ascorbic Acid Retinol Bakuchiol Tranexamic Acid Tretinoin

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Educational information only — not medical advice. Always patch test and consult a dermatologist for skin concerns.