LiftActiv 16% Pure Vitamin C Brightening Serum
Reviewed by SerumTruth Editorial · Updated July 2026
A properly dosed 16% vitamin C at a pharmacy price, with the one number that matters actually printed on the box. It will still brown over months of air exposure like any L-ascorbic acid serum that is not fully airless, so treat it as a use-it-within-a-few-months product. For the concentration and the price, it undercuts most prestige C-E-ferulic style serums.
- Evidence24 / 30
Strength of the research behind the key actives
- Vitamin C (L-Ascorbic Acid): strong evidence
- Vitamin E (Tocopherol): moderate evidence
- Hyaluronic Acid: moderate evidence
The average of the key actives’ evidence grades.
- Potency21 / 25
Dosed at studied levels, not fairy-dusted
- Vitamin C (L-Ascorbic Acid) (16%): dosed at a studied level
- Vitamin E (Tocopherol): dosed at a studied level
- Hyaluronic Acid: dosed at a studied level
How strongly the actives are dosed, led by the strongest, not how many there are.
- Delivery & stability12 / 20
Delivery tech + packaging that protects fragile actives
- Delivery: standard
- Packaging: tinted glass
- Air- or light-sensitive actives (Vitamin C (L-Ascorbic Acid), Vitamin E (Tocopherol)), so packaging is scored.
Delivery tech plus packaging, and packaging only counts when actives are fragile.
- Formulation6 / 10
Disclosure, active breadth, and ingredient generation
- 1 of 3 actives disclose a concentration
- 3 key actives (breadth credit caps at 3)
- Current-generation or synergistic: Vitamin C (L-Ascorbic Acid), Vitamin E (Tocopherol)
Disclosure, active breadth, and current-generation or synergistic actives.
- Value9 / 15
What a month of use costs vs. the category
- About $31 per month to use
- $34.99 for 20 ml, used about twice a day (about 0.3 ml each time), so a bottle lasts about 1.1 months
What a month of use costs: full marks at $6 a month or less, the floor at $60 a month or more.
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What’s inside
| Active | Disclosed | Dose |
|---|---|---|
| Vitamin C (L-Ascorbic Acid) | 16% | Studied |
| Vitamin E (Tocopherol) | n/a | Studied |
| Hyaluronic Acid | n/a | Studied |
16% L-ascorbic acid, disclosed and at the strong end of the range, with vitamin E and hyaluronic acid riding along plus a small amount of carnosine, a dipeptide the brand pitches for the appearance of glycation-related dulling. The base is genuinely alcohol-free and fast-absorbing. The amber glass bottle ships underfilled and gas-flushed to slow oxidation before it is opened, a real if partial defense, but the narrow applicator tip still lets air in with every use once you start.
How it’s delivered
Air- and light-sensitive actives (vitamin C, copper peptides) lose potency fast in the wrong packaging, so delivery and the bottle are scored, not just what’s on the label.
The actives, explained
Cosmetic information for general education, not medical advice. The SerumProof score reflects our reading of publicly available research and formulation disclosures. See how scoring works.