Obagi Professional-C Serum provides superior antioxidant protection with deep penetration to the dermal layer. The 20% L-ascorbic acid is the highest concentration available from your healthcare practitioner and helps in defending against damaging UVA and UVB rays, helps prevent premature signs of aging such as fine lines and wrinkles, and contributes to collagen synthesis. Obagi Professional-C Serum 20% is suitable for all skin types. Directions: Apply 5 to 7 drops of Obagi Professional-C Serum to the face, neck and chest using fingertips. Apply to cleansed skin in the morning before sunscreen and makeup application. A slight tingling may occur in some people, which diminishes with continued use. Available in 4 different concentration for different skin types and sensitivity levels: Obagi Professional C Serum 5% - For direct application to sensitive eye are skin zone Obagi Professional C Serum 10% - For seriously dry, reactive, and exceptionally sensitive skin types Obagi Professional C Serum 15% - For general or all purpose use of all skin types Obagi Professional C Serum 20% - highest concentration of L ascorbic acid for serious symptoms |
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