Obagi Professional-C 20% Vitamin C Serum
VersusSkinCeuticals Strength & Repair Set
Obagi Professional-C 20% Vitamin C Serum
SkinCeuticals Strength & Repair Set
Best For
Normal to oily skin types
Best For
Normal, dry, and combination skin types.
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 Strength & Repair Set
- • Aqua
- • Dimethicone
- • Hydrogenated Polyisobutene
- • Glycerin
- • Cholesterol
- • C12-15 Alkyl Benzoate
- • Ceramide 3
- • Sunflower Seed Oil Unsaponifiables
- • Bis-PEG-18 Methyl Ether Dimethyl Silane
- • Sodium Polyacrylate
- • PEG-10 Dimethicone
- • Nylon-12
- • Lauryl PEG-9 Polydimethylsiloxyethyl Dimethicone
- • Dimethicone-PEG-10-15 Crosspolymer
- • Phenoxyethanol
- • Disteardimonium Hectorite
- • Hydroxyethylpiperazine Ethane Sulfonic Acid
- • Ammonium Polyacryloyldimethyl Taurate
- • Chlorphenesin
- • Caprylyl Glycol
- • PEG-PPG-18-18 Dimethicone
- • Propylene Carbonate
- • Disodium EDTA
- • Acrylonitrile-Methyl Methacrylate-Vinylidene Chloride Copolymer
- • Adenosine
- • Dipropylene Glycol
- • Lavender Oil
- • Rosemary Leaf Oil
- • T-Butyl Alcohol
- • Peppermint Oil
- • Sodium Citrate
- • Linalool
- • Isobutane
- • Ceramide EOP
- • BHT
- • Tocopherol
- • Limonene
- • Ascorbic Acid
- • Sodium Hyaluronate
- • Ferulic Acid
The SkinCeuticals Strength & Repair Set includes Triple Lipid Restore and C E Ferulic. Triple Lipid Restore is formulated with a 2:4:2 ratio of lipids to help restore the skin's barrier and nourish it. C E Ferulic is a potent antioxidant serum that neutralizes free radicals and enhances skin's firmness and brightness. The efficacy of these formulations is supported by clinical studies. For instance, the C E Ferulic serum has been shown to reduce discoloration by -39.5% and wrinkles by -36%, while increasing firmness by +37.4% and elasticity by +36.6% (Microemulsions and Nanoemulsions in Skin Drug Delivery).
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, apply 4-5 drops of C E Ferulic to a dry face, neck, and chest after cleansing. Follow with a small amount of Triple Lipid, warming it between fingertips before applying.
Safety Notice
For topical use only. Avoid contact with eyes. If irritation occurs, discontinue use.
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