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No7 Laboratories Line Correcting Booster Serum ingredient analysis, safety score, and dupe alternatives

No7 Laboratories Line Correcting Booster Serum

Target: Anti-aging, Hydration
Does it work?
Mid
3.4/ 5.0
Is it safe?
Gentle
4.4/ 5.0

The Verdict

[!] Severely Overpriced

This is a lean, peptide-focused anti-aging serum that does one thing well: deliver Matrixyl 3000+ in a simple, supportive base. The efficacy score is driven almost entirely by the collagen-supporting peptide pair (palmitoyl tripeptide-1 and palmitoyl tetrapeptide-7) at the heart of the Matrixyl 3000+ complex, backed by a hydrating glycerin/butylene glycol base but with no additional high-evidence actives like retinoids or dedicated antioxidants to broaden benefits, so you get targeted wrinkle support rather than a fully loaded treatment serum.

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Note: contains T-Butyl Alcohol. Common sensitisers — relevant for reactive skin, not a concern for most people.

Active Ingredients By Tier

S Tier: Gold StandardsHigh Clinical Proof
None detected
A Tier: ReliableProven Results
None detected
B Tier: SupportingDeveloping Evidence
Aluminum Starch OctenylsuccinateSorbitan LaurateAcetyl Dipeptide-1 Cetyl EsterPalmitoyl Tripeptide-1Palmitoyl Tetrapeptide-7
C Tier: Overhyped | MarketingHype | Limited Data
None detected
D Tier: Documented IrritantsEvidence-Backed Flag
T-Butyl Alcohol
Formulation BaseUnscored
Aqua (Water/Eau)Polyacrylate Crosspolymer-6Sodium LactateHydroxyethylcelluloseTetrasodium EDTA
View Full Ingredients
Aqua (Water/Eau), Glycerin, Butylene Glycol, Aluminum Starch Octenylsuccinate, Polyacrylate Crosspolymer-6, Sorbitan Laurate, Phenoxyethanol, Sodium Lactate, Hydroxyethylcellulose, Carbomer, Caprylyl Glycol, Acetyl Dipeptide-1 Cetyl Ester, Polysorbate 20, Ethylhexylglycerin, Tetrasodium EDTA, Potassium Hydroxide, T-Butyl Alcohol, Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7.

Frequently Asked Questions

Is No7 Laboratories Line Correcting Booster Serum worth it?

This is a lean, peptide-focused anti-aging serum that does one thing well: deliver Matrixyl 3000+ in a simple, supportive base. The efficacy score is driven almost entirely by the collagen-supporting peptide pair (palmitoyl tripeptide-1 and palmitoyl tetrapeptide-7) at the heart of the Matrixyl 3000+ complex, backed by a hydrating glycerin/butylene glycol base but with no additional high-evidence actives like retinoids or dedicated antioxidants to broaden benefits, so you get targeted wrinkle support rather than a fully loaded treatment serum. If you're looking for skincare anti aging products or vegan skincare, this is worth evaluating.

What are the key ingredients in No7 Laboratories Line Correcting Booster Serum?

This is a fragrance free skincare formula, making it suitable as fragrance free skincare for sensitive skin. No S Tier gold-standard actives were detected. Flagged in D Tier: T-Butyl Alcohol.

Is No7 Laboratories Line Correcting Booster Serum safe for sensitive skin?

No7 Laboratories Line Correcting Booster Serum has a safety score of 4.4/5. It contains potential irritants including T-Butyl Alcohol. Patch testing is recommended. As a fragrance free moisturiser suitable for sensitive skin care, it avoids common triggers for reactivity.

What skin type is No7 Laboratories Line Correcting Booster Serum best for?

Based on its formulation, No7 Laboratories Line Correcting Booster Serum is best suited as a moisturizer for sensitive skin.

What are the best dupes or alternatives to No7 Laboratories Line Correcting Booster Serum?

DemythSkin recommends: REMEDY for healthy aging — Higher efficacy (4.6 vs 3.4) for Wrinkles, texture, elasticity, uneven tone.. K-Secret SEOUL 1988 Serum : Retinal Liposome 2% + Black Ginseng — Higher efficacy (4.5 vs 3.4) for Wrinkles, Pigmentation, Skin Texture.. Geek & Gorgeous A-Game 20 — Higher efficacy (4.4 vs 3.4) for Anti-Aging..

Is No7 Laboratories Line Correcting Booster Serum good for anti-aging?

No7 Laboratories Line Correcting Booster Serum is marketed with anti-aging claims. Our analysis scores it 3.4/5 for efficacy — check the S Tier ingredients above to evaluate whether it delivers on its skincare anti aging products claims.

Is No7 Laboratories Line Correcting Booster Serum truly fragrance free?

Based on DemythSkin's INCI analysis, no fragrance, parfum, or essential oils were detected in No7 Laboratories Line Correcting Booster Serum's formula. This makes it a strong candidate as a fragrance free moisturiser for dry skin or fragrance free skincare for sensitive skin care routines. Always cross-check the current label as formulas can change.

How does DemythSkin score skincare products?

DemythSkin scores every product out of 5.0 on two separate axes: Efficacy (does the formula deliver its claims?) and Safety (will it irritate?). Ingredients are graded S Tier (gold standards, high clinical proof), A Tier (reliable), B Tier (supporting), C Tier (overhyped | marketing) and D Tier (documented irritants — added fragrance, drying alcohol, essential oils). Preservatives, emulsifiers and thickeners are shown as formulation base and count as neither good nor bad, because treating them as hazards is fear rather than science.

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About This Analysis

This product analysis was produced by the DemythSkin Research Team using our proprietary AI-powered scoring engine. Every ingredient is classified using our clinical evidence tier system, and scores are computed from a deterministic rubric — not opinions. We have no affiliation with the brand reviewed.

Read our full methodology →

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Disclaimer: This content is for informational purposes only and does not constitute medical advice. This analysis is generated by AI based on publicly available ingredient lists and has not been verified by a dermatologist. Always patch test products and consult a physician for skin concerns.

DemythSkin Alternatives

REMEDY
for healthy aging

Why it's better: Higher efficacy (4.6 vs 3.4) for Wrinkles, texture, elasticity, uneven tone.

K-Secret
SEOUL 1988 Serum : Retinal Liposome 2% + Black Ginseng

Why it's better: Higher efficacy (4.5 vs 3.4) for Wrinkles, Pigmentation, Skin Texture.

Geek
& Gorgeous A-Game 20

Why it's better: Higher efficacy (4.4 vs 3.4) for Anti-Aging.

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No7 Laboratories Line Correcting Review: Scored 3.4/5