Defense SPF50 SkinCeuticals Ultra Facial 30ml. Sunscreen moisturizing broad spectrum UVA / UVB with Memoryl SX / XL high security. INDICATIONS: Provides a broad-spectrum protection against the entire UVA / UVB. Contains Memoryl SX / XL to protect against harmful UVA rays responsible for premature aging of the skin. Formulated without perfume. APPLICATION: Apply the product before sun exposure. Renew the application frequently, every 2-3 hours to maintain the level of protection, especially after a bath, drying with a towel or excessive sweating. CONTENT: 30ml tube.