Obagi Professional-C 20% Vitamin C Serum
VersusSkinCeuticals C E Ferulic
Obagi Professional-C 20% Vitamin C Serum
Best For
Normal to oily skin types
Best For
Individuals looking to reduce signs of aging and improve skin radiance.
Ingredient Profiles
Obagi Professional-C 20% Vitamin C Serum
Obagi Professional-C 20% Vitamin C Serum is a fast-absorbing serum designed to brighten and even skin tone while reducing the appearance of dark spots. Formulated with L-Ascorbic Acid, the purest form of Vitamin C, this serum helps to neutralize free radicals and combat oxidative stress. Ideal for normal to oily skin types.
Evidence-Based Efficacy
Research indicates that antioxidants like Vitamin C can effectively combat oxidative stress, which is linked to skin aging. For more information, see the studies: The Role of Oxidative Stress in Skin Disorders Associated with Alcohol Dependency and Antioxidant Therapies and Topical anti-inflammatory treatments for eczema: network meta-analysis.
SkinCeuticals C E Ferulic
C E Ferulic features a synergistic antioxidant combination of 15% pure vitamin C (L-ascorbic acid), 1% vitamin E (alpha tocopherol), and 0.5% ferulic acid to enhance protection against environmental damage caused by free radicals that can contribute to atmospheric ageing. Clinical studies have demonstrated significant improvements in skin appearance with the use of C E Ferulic. Notably, a study showed a reduction in wrinkles by 36%, discoloration by 39.5%, and an increase in skin radiance by 44.8% after consistent use. For more detailed insights, refer to the following studies: International Expert Consensus on Integrated Skincare Active Ingredients, Double-Blinded Clinical Trial on Vitamin C, E, and Ferulic Acid, Reparative Effects After Ablative Fractional CO2 Laser Treatment.
Safety & Application
Directions
Step 1: Apply 5-7 drops in the morning after cleansing and toning, before moisturizer. Step 2: Follow-up with SPF before makeup application. L-ascorbic acid (pure vitamin C) is known to change color with time, however oxidation is minimal in Obagi antioxidants and the formulation is proven to remain effective.
Safety Notice
For external use only. Avoid direct contact with eyes, nose, mouth, and lips. Some users may experience slight tingling, which should diminish with continued use. If tingling becomes severe, stop use and consult a doctor.
Directions
In the morning after cleansing and toning, apply 4-5 drops of C E Ferulic® vitamin C serum to a dry face, neck, and chest before other anti-aging skincare products. All SkinCeuticals antioxidant formulations have been tested in final packaging and have been confirmed to remain stable and effective for 36 months, and up to 6 months after opening. L-ascorbic acid (pure vitamin C) is known to change color with time, however oxidation is minimal in SkinCeuticals antioxidant and the formulation is proven to remain effective.
Safety Notice
Alcohol and fragrance free, suitable for normal, dry, and combination skin types. Tested for use post-laser on healed skin.
