St. Botanica Vitamin C 24K Gold Night Face Serum is an advanced hydrating, nourishing and skin firming product for superior night-time skincare. It contains vitamin C of 20% concentration, the maximal amount of the topical vitamin that the skin is capable of absorbing. Enriched with vitamin E and hyaluronic acid the natural humectant for smoothing and softening the skin. Free from harmful chemicals, the fast-absorbing, non-greasy face serum is suitable for all types of skin.