
Tricoci
C-Defend Serum
Serum · 33 ingredients
A powerful antioxidant serum with 10% Vitamin C and Ferulic Acid that brightens dull, uneven skin and protects against environmental damage. Helps reduce discoloration, redness, and early signs of aging for a radiant, resilient complexion.

Dr. Barbara Sturm
Brightening Serum
Serum · 30 ingredients
A brightening serum formulated to reduce the appearance of dark spots, uneven tone, and yellowish discoloration over time. Cress sprout extracts work to suppress melanin production and visibly brighten the complexion, while purslane—a potent antioxidant—supports skin health and renewal. Allantoin helps calm the skin, contributing to a smoother, more even-looking glow.
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Both are Serum products.
L-Ascorbic Acid
A form of vitamin C — an antioxidant that brightens, fades dark spots, and supports collagen.
Niacinamide
Strengthens the barrier, controls oil, and fades dark spots — gentle and plays well with almost everything.
Hyaluronic Acid
Holds water in the skin for instant plumping and hydration.
AHA
A water-soluble acid that exfoliates the surface for smoother, brighter, more even skin.
Ceramides
Barrier lipids that seal in moisture and repair a compromised skin barrier.
Peptides
Amino-acid messengers that signal collagen production for firmer, smoother skin.
Squalane
A lightweight, biomimetic oil that softens without clogging pores — pairs perfectly with strong actives to offset dryness.
Vitamin E
An antioxidant that protects the barrier and supercharges vitamin C.
Glycerin
The workhorse humectant — simple, effective, and exceptionally well-tolerated.
Glycolic Acid (AHA)
A water-soluble acid that exfoliates the surface for smoother, brighter, more even skin.
Vitamin C Derivative
A form of vitamin C — an antioxidant that brightens, fades dark spots, and supports collagen.
Ferulic Acid
An antioxidant that stabilizes vitamins C and E and roughly doubles their sun defense.
Allantoin
Calms redness and smooths texture — buffers harsh actives beautifully.
Panthenol (B5)
A barrier-repairing humectant that hydrates and calms — a sensitive-skin staple.
Cholesterol
A barrier lipid that helps seal in moisture and repair the skin barrier.
Ceramide EOP.
A barrier lipid that seals in moisture and repairs the skin barrier.
Allantoin
Calms redness and smooths texture — buffers harsh actives beautifully.
Glycerin
The workhorse humectant — simple, effective, and exceptionally well-tolerated.
Panthenol (B5)
A barrier-repairing humectant that hydrates and calms — a sensitive-skin staple.
Hyaluronic Acid
Holds water in the skin for instant plumping and hydration.
AHA
Hydration
Barrier
Brightening
Anti-aging
Firmness
Texture
Pores
Oil control
Soothing
Antioxidant
Healing
Hydration
Barrier
Texture
Soothing