C-Firma Fresh Vitamin-C Day Serum vs Skin Booster Vitamin Shot — Ingredient Comparison

Drunk Elephant

C-Firma Fresh Vitamin-C Day Serum

Serum · 33 ingredients · USA

Drunk Elephant's C-Firma Fresh Vitamin-C Day Serum is a super-potent serum packed with a powerful antioxidant complex and fruit enzymes to firm and brighten the appearance of skin while improving the signs of photoaging.

VeganCruelty-free

Physicians Formula

Skin Booster Vitamin Shot

Serum · 36 ingredients

Physicians Formula Skin Booster Vitamin Shot is your daily dose of skin-boosting vitamins to prep your skin for a bright and even glow.

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How these two interact

No conflicts — safe to layer

Both are Serum products.

At a glance

Vegan

—

Cruelty-free

—

Price

$63.20

$9.44

$53.76 less

Key ingredients

L-Ascorbic Acid

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

Hyaluronic Acid

Holds water in the skin for instant plumping and hydration.

Green Tea

An antioxidant that calms inflammation and helps regulate oil.

Vitamin E

An antioxidant that protects the barrier and supercharges vitamin C.

Glycerin

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

Sclerocarya Birrea Seed Oil

A nourishing plant oil that softens skin and helps seal in moisture.

Licorice Root

Brightens and soothes at once.

Ferulic Acid

An antioxidant that stabilizes vitamins C and E and roughly doubles their sun defense.

Gluconolactone (PHA)

A gentle, large-molecule exfoliant that smooths and hydrates — ideal for sensitive skin.

Rice Extract

A rice-derived ingredient that brightens and softens for a smooth, even glow.

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.

Vitamin E

An antioxidant that protects the barrier and supercharges vitamin C.

Glycerin

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

Licorice Root

Brightens and soothes at once.

Gluconolactone (PHA)

A gentle, large-molecule exfoliant that smooths and hydrates — ideal for sensitive skin.

What it targets

Hydration

Barrier

Brightening

Anti-aging

Texture

Oil control

Soothing

Antioxidant