skinChemists Hydrating Polyglutamic Acid 1% Vitamin C 3% Facial Serum is a lightweight, fast-absorbing brightening serum that helps even skin tone and reduce the appearance of dark spots. Formulated with stable Vitamin C (Sodium Ascorbyl Phosphate) to brighten and fade pigmentation, plus polyglutamic acid and allantoin for hydration and skin comfort. Ideal for all skin types, it layers easily under moisturizer and SPF for a morning routine or pairs with antioxidant creams at night. Results may be seen progressively—hydration and radiance in week 1, improved tone by week 4, and more even complexion with continued use by week 8. For best results apply a few drops to clean skin morning and evening, allow to absorb, follow with moisturizer, and use broad-spectrum SPF during the day. For external use only, keep out of reach of children, avoid contact with eyes, and perform a patch test prior to use.