C4 INTENSIV BRIGHTENING SERUM
C4 INTENSIV BRIGHTENING SERUM
Vitamin C is an effective way to brighten skin, help treat hyperpigmentation, and minimize the appearance of fine lines and wrinkles. This potent complex of four types of Vitamin C delivers maximum results as C4 Intensiv Brightening Serum brightens, moisturizes, and plumps, with added botanicals to nourish and soothe.
Paraben Free.
$100.00 — or subscribe and save 10%
In stock
Cleanse face with M.A.D Skincare Brightening Cleanser. Tone with M.A.D Skincare Everyday Renewing Toner. Apply a thin even coat to face and dƩcolletƩ, day or night. Follow with M.A.D Skincare Illuminating Daily Moisturizer for maximum skin brightening effect.
BV-OSC A stable, oil soluble form of Vitamin C, called Tetrahexyldecyl Ascorbate, BV-OSC offers UV-protection, skin whitening, and anti-aging benefits as well as aiding in collagen synthesis. It also offers excellent antioxidant benefits and the ability to penetrate the epidermis and cells makes BV-OSC very bio-available.
Oristart DPG Extracted from licorice, this concentrated powerful antioxidant has skin soothing and anti-inflammatory properties which help to rejuvenate the skin and promotes a more even skin tone and healthy glow.
Stay-CĀ® 50 A stable form of Vitamin C, Sodium Ascorbyl Phosphate, offering numerous benefits for skin including helping to lessen the appearance of fine lines and wrinkles, whitening spotty and darkened skin, evening out skin tone and aiding in collagen production. Additionally, it is an excellent repair agent for photo-aged and sun damaged skin. Known to improve the skin’s ability to protect itself against free radicals and aid in increasing elasticity and luminosity.
Magnesium Ascorbyl Phosphate Known as MAP, this water soluble and highly stable form of Vitamin C is primarily known for its skin brightening benefits and its ability to help even out skin tone, stimulate collagen production, and diminish fine lines and wrinkles through increasing the process of cell-turnover. It can also offer a high moisturizing effect and enhanced diffusion of Vitamin C into the skin.
Ascorbyl Glucoside A non-irritating, stable form of Vitamin C offering excellent antioxidant properties helping encourage collagen synthesis and helping improve uneven skin tone and skin pigmentation.
Water, Cyclopentasiloxane, Polymethylsilsesquioxane, Polysilicone-11, Bis-PEG/PPG14/14, Dimethicone, PEG/PPG-18/18 Dimethicone, Butylene Glycol, Dimethicone, Sodium Ascorbyl Phosphate, Magnesium Ascorbyl Phosphate, Caprylyl Methicone, Ascorbyl Glucoside, Tetrahexyldecyl Ascorbate, PEG-10 Dimethicone, Ethylhexyl Methoxycinnamate, Tocopheryl Acetate, Eclipta prostrata Extract, Melia azadirachta Leaf Extract, Moringa pterygosperma Oil, Sodium Hyaluronate, Dipotassium Glycyrrhizate, Anthemis nobilis (Chamomile ) Flower Extract, Uva Ursi (Bearberry) Fruit Extract, Citrus aurantium bergamia (Bergamot) Fruit Oil, Phenoxyethanol, Caprylyl Glycol, Disodium EDTA, Sodium Metabisulfite
Key Ingredients
BV-OSC
Stay-CĀ® 50
Oristart DPG
Magnesium Ascorbyl Phosphate
Frequently Asked Questions
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Is the C4 Intensiv Brightening Serum suitable for sensitive or dull skin?
Yes, C4 Intensiv Brightening Serum features four powerful forms of Vitamin C, like Ascorbyl Glucoside and Magnesium Ascorbyl Phosphate, renowned for brightening dull skin while being non-irritating and antioxidant-rich. Plus, licorice-derived OristartāÆDPG soothes inflammation and calms irritation for a more even tone.
Note: Do not use this product if you are sensitive to Vitamin C.
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How should I use the C4 Intensiv Brightening Serum for the best results?
For optimal results, begin your routine with the M.A.D Brightening Cleanser followed by the Everyday Renewing Toner. Then, apply a thin, even layer of the C4 Intensiv Brightening Serum to the face and dƩcolletƩ, either morning or night. Afterward, seal in benefits with the Illuminating Daily Moisturizer for maximum brightening and hydration.
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When can I expect to see improvements in skin tone and texture?
Many users notice visible brightening, smoother texture, and reduced dark spots with consistent use. Though timelines vary by skin type and routine, the potent C-derivatives and botanical antioxidants in this serum often deliver results within a few weeks when used as part of a regular regimen.
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Why choose C4 Intensiv Brightening Serum over a standard Vitamin C product?
Unlike unstable pure Vitamin C, C4 uses four highly stable, skin-friendly derivatives, ensuring potency, ease of formulation, and minimal irritation. This thoughtful āquad-Cā blend absorbs deeply, protects from UV stress, boosts collagen, hydrates, and evens tone, all while supporting sensitive skin with soothing botanicals like licorice and chamomile.
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