Dermalogica Biolumin-C Serum SPF 50 offers advanced protection against heat aging in a lightweight, highly effective formula. This facial sunscreen protects the skin from harmful UVA/UVB rays while simultaneously combating signs of skin aging with Vitamin C. The 5 ml size is perfect for travel or trying it out. Ideal for daily use, it helps prevent sun damage and environmental effects. Dermalogica's scientifically-backed formula combines skincare and sun protection for a radiant, healthy complexion. Suitable for all skin types, it leaves no greasy residue.