Instant FIRMx Eye Temporary Eye Tightener

Instant FIRMx Eye Temporary Eye Tightener

C-Defend Serum

C-Defend Serum

Instant FIRMx Eye Temporary Eye Tightener

Peter Thomas Roth

Instant FIRMx Eye Temporary Eye Tightener

Serum · 29 ingredients · USA

A quick-fix eye treatment that instantly reduces the look of under-eye bags and crow’s feet for a temporary effect that can last all day.

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.

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How these two interact

No conflicts — safe to layer

Both are Serum products.

At a glance
Price
$31.20
$17.10 less
$48.30
Key ingredients

L-Ascorbic Acid

A form of vitamin C — an antioxidant that brightens, fades dark spots, and supports collagen.

Peptides

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

Vitamin E

An antioxidant that protects the barrier and supercharges vitamin C.

Glycerin

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

Panthenol (B5)

A barrier-repairing humectant that hydrates and calms — a sensitive-skin staple.

AHA

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.

What it targets

Hydration

Barrier

Brightening

Anti-aging

Firmness

Soothing

Antioxidant

Healing

Hydration

Barrier

Brightening

Anti-aging

Firmness

Texture

Pores

Oil control

Soothing

Antioxidant

Healing