YSL Forever Youth Liberator Fluid SPF15 50ml. Moisturising Fluid with SPF 15. This protective fluid envelops the skin with a light, satin-like film. It provides optimal protection against daily sun exposure. Visible results immediately, skin looks softer and more comfortable. With SPF 15, it helps protect skin against UVA and UVB rays. In just 7 days skin feels transformed, smoother and suppler. After 1 month, skin looks tighter as if lifted. All skin types, Hydrating, Anti-ageing.