ProductsSerum › Dr. Dennis Gross Vitamin C Lactic 15% Firm & Bright Serum

Serum · $78

Vitamin C Lactic 15% Firm & Bright Serum

Dr. Dennis Gross

Dr. Dennis Gross Vitamin C Lactic 15% Firm & Bright Serum's recognized actives are present, but the brand doesn't disclose their concentrations — so we can't confirm they reach effective doses. We withhold a grade rather than guess.

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Unverified
Dose not disclosed · how?

Actives pyramid

What's actually in it, ranked by how well it's dosed.

Supporting actives (recognized)
Vitamin C Lactic Acid

What it does

Evidenced benefit intensity, derived from dosed actives.

Brightening
76
Hydration
51
Anti-aging
51
Exfoliation
51

The receipt

Every point of this grade, traced to the active, its dose, and the evidence.

Vitamin C present — concentration not disclosed

A recognized active, but without a labeled % we can't confirm it reaches the effective ~8% dose.

Lactic Acid present — concentration not disclosed

A recognized active, but without a labeled % we can't confirm it reaches the effective ~5% dose.

Pros & cons

The honest tradeoffs.

  • Recognized formulation base
  • Vitamin C concentration not disclosed — can't confirm it's effective
  • Lactic Acid concentration not disclosed — can't confirm it's effective
  • Premium price for a sub-C efficacy grade

Best for

Who and when this fits.

Most skin types Dullness Hyperpigmentation Fine Lines Texture Dryness AM (pairs with SPF) Wear SPF

Dupes & alternatives

Cheaper products in the same category that grade equal or higher.

B The Ordinary Niacinamide 10% + Zinc 1%
Same category, equal-or-higher grade
$6
save 92%
B The Ordinary Niacinamide 10% + Zinc 1% Oil Control Serum
Same category, equal-or-higher grade
$6
save 92%
B The Ordinary Ascorbic Acid 8% + Alpha Arbutin 2%
Same category, equal-or-higher grade
$10
save 87%
B Minimalist Niacinamide 5% + Hyaluronic Acid 1% Face Serum
Same category, equal-or-higher grade
$11.99
save 85%

Where to buy

You can't pay to move a grade. This opens an Amazon search — we may earn a small commission at no cost to you.

Find on Amazon · $78 Price last seen: $78

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Based on published concentration thresholds and formulation science. Our algorithm predicts likely efficacy — it does not test the product. Individual results vary. Not evaluated by the FDA. You can't pay to move a grade — Visage Theory is paid only for optional audits and seal licenses, never to change a letter.