Vitamin A
ChemicalSubstanceFat‑soluble vitamin whose active form (ATRA) regulates thousands of genes via nuclear receptors to drive epidermal renewal, boost collagen, suppress MMPs, and balance sebum.
Chemical Substance
6 entities in this category
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6 entities found in ChemicalSubstance starting with V Clear filters
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Vitamin B12
ChemicalSubstanceWater‑soluble vitamin whose cofactor roles in methylation and fatty‑acid metabolism make deficiency visible as acral hyperpigmentation, hair changes, and barrier fragility.
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Vitamin B3
ChemicalSubstanceWater-soluble B vitamin whose cosmeceutically active derivative - niacinamide (nicotinamide) - is the primary form relevant to skin biology
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Vitamin D
ChemicalSubstanceFat‑soluble secosteroid whose active form (calcitriol) is made in the epidermis and, via VDR, regulates keratinocyte differentiation, antimicrobial peptides, barrier function, and innate immunity.
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Vitamin E
ChemicalSubstanceFat‑soluble antioxidant concentrated at the skin surface, where it blocks UV‑driven lipid peroxidation and squalene oxidation; regenerated by vitamin C, making them a coupled antioxidant system.
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Vitamin K
ChemicalSubstanceFat‑soluble vitamin whose K1 and K2 forms share a GGCX‑dependent mechanism. K1 supports coagulation for wound repair, while K2 prevents elastin calcification and dermal stiffening.