C-Defend Serum

C-Defend Serum

The Neck Serum - Firming Serum With 7.5% Peptide

The Neck Serum - Firming Serum With 7.5% Peptide

C-Defend Serum

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.

The Neck Serum - Firming Serum With 7.5% Peptide

Nécessaire

The Neck Serum - Firming Serum With 7.5% Peptide

Serum · 30 ingredients

A firming serum formulated specifically for the thin, delicate skin of the neck, targeting loss of firmness and the appearance of neck lines. A blend of five clinically proven peptides works to support the skin's natural collagen production, while niacinamide (Vitamin B3) helps reinforce the skin's barrier and rosewater helps soothe the neck area. The formula is free from parabens, sulfates, phthalates, and mineral oils.

Vegan
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How these two interact

No conflicts — safe to layer

Both are Serum products.

At a glance
Vegan
—
Price
$48.30
$16.70 less
$65
Key ingredients

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.

Five Clinically Proven Peptides (9% Blend)

A peptide that signals the skin to repair and rebuild for firmer, healthier skin.

Niacinamide (Vitamin B3)

Strengthens the barrier, controls oil, and fades dark spots — gentle and plays well with almost everything.

Glycerin

The workhorse humectant — simple, effective, and exceptionally well-tolerated.

Squalane

A lightweight, biomimetic oil that softens without clogging pores — pairs perfectly with strong actives to offset dryness.

Niacinamide

Strengthens the barrier, controls oil, and fades dark spots — gentle and plays well with almost everything.

Peptides

Amino-acid messengers that signal collagen production for firmer, smoother skin.

Vitamin E

An antioxidant that protects the barrier and supercharges vitamin C.

AHA

What it targets

Hydration

Barrier

Brightening

Anti-aging

Firmness

Texture

Pores

Oil control

Soothing

Antioxidant

Healing

Hydration

Barrier

Brightening

Anti-aging

Firmness

Pores

Oil control

Antioxidant

Healing