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Skinfix

Barrier+ Triple Lipid Activating Serum

$69·30 ml·~$41/mo to use

Reviewed by SerumTruth Editorial · Updated July 2026

A well-built, well-disclosed barrier serum that puts its ceramides and niacinamide right on the label and packages them properly. It costs more than the drugstore barrier options, and what you pay for is the disclosure, the peptide extras and the airless refillable pump. A dependable pick for the look of a calmer, cushioned complexion.

SerumProof score73 / 100
  • Evidence21 / 30

    Strength of the research behind the key actives

    • Ceramides: moderate evidence
    • Niacinamide: moderate evidence
    • Score is the average of the key actives’ evidence grades.
  • Potency21 / 25

    Dosed at studied levels, not fairy-dusted

    • Ceramides (3%): dosed at a studied level
    • Niacinamide (2%): dosed at a studied level
    • Potency tracks how strongly the actives are dosed, led by the strongest, not how many there are.
  • Delivery & stability16 / 20

    Delivery tech + packaging that protects fragile actives

    • Delivery: standard
    • Packaging: airless, opaque
    • No fragile actives here, so packaging barely moves the score.
  • Formulation8 / 10

    Disclosure, active breadth, and ingredient generation

    • 2 of 2 actives disclose a concentration
    • 2 key actives (breadth credit caps at 3)
    • Current-generation or synergistic: Ceramides
  • Value7 / 15

    What a month of use costs vs. the category

    • About $41 per month to use
    • $69 for 30 ml, used about twice a day (about 0.3 ml each time), so a bottle lasts about 1.7 months
    • Band: $6/month or less earns full marks, $60/month or more hits the floor.

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Where to buy at Sephora

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What’s inside

ActiveDisclosedDose
Ceramides3%Studied
Niacinamide2%Studied

A barrier serum with a disclosed 3% ceramide and lipid complex (ceramides NP, AP and EOP with cholesterol and phytosphingosine), 2% niacinamide, a multi-peptide blend and polyglutamic acid, in an opaque airless refillable pump. It is built for the appearance of a comfortable, cushioned-looking barrier, with the ceramides and niacinamide the best-evidenced parts. The airless pump is the right call and the levels are unusually well disclosed.

How it’s delivered

DeliveryStandardPackagingAirless, opaque

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.