Obagi Professional C Suncare SPF 30 — 1.7 Oz- 2 Pack — Protects against UV rays and free radicals which are significant causes of skin damage and signs of skin aging. Obagi Professional-C Suncare Broad-Spectrum SPF 30 defends against these two harmful factors to keep your skin looking young. The products also contains vitamin C which also reduces the aging signs and helps brighten your skin. Since the formula is much more lightweight and elegant, it doesn’t leave skin feeling oily as lots of other sun protection options. The formulation also utilizes 1-% L=ascorbic acid to help defend against free radicals.