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Direct AntioxidantsRecommended: AM Slot
L-Ascorbic Acid (Pure Vitamin C)
Clinical Overview
The gold-standard biological antioxidant that scavenges reactive oxygen species and serves as an essential cofactor for collagen synthesis.
Epidermal & Cutaneous Mechanism
Directly donates electrons to quench hydroxyl and superoxide radicals, cofactors prolyl and lysyl hydroxylase, and reduces dopaquinone to inhibit melanogenesis.
Addresses Skin Concerns
Daytime photoprotectionMelasma & solar lentiginesCollagen loss
Recognized INCI Names on Packaging Labels
Ascorbic AcidL-Ascorbic Acid
Compatible Synergies
- ✓Ferulic Acid
- ✓Tocopherol (Vitamin E)
- ✓Daily Sunscreen
- ✓Niacinamide (modern ambient formulations)
Separate or Alternate
- ⚠️Retinoids (use PM)
- ⚠️Direct AHA/BHA (acid stacking)
- ⚠️Copper Peptides