No7 Laboratories Line Correcting Booster Serum — Efficacy 3.4/5.0, Safety 4.4/5.0 | DemythSkin
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[ DemythSkin Verdict ]
No7 Laboratories Line Correcting Booster Serum
No7

No7 Laboratories Line Correcting Booster Serum

SerumAnti-Aging
Efficacy
Basic
3.4 / 5.0
Safety
Safe
4.4 / 5.0
System Verdict
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.
Active Ingredients Detected
A Tier: Good BasicsProven Results
Glycerin
B Tier: Supporting IngredientsPromising Ingredients
Aluminum Starch OctenylsuccinateSorbitan LaurateAcetyl Dipeptide-1 Cetyl EsterPalmitoyl Tripeptide-1Palmitoyl Tetrapeptide-7
D Tier: Potential IrritantsBe Cautious
T-Butyl Alcohol
What Each Ingredient Does
Aqua (Water/Eau)
solvent and carrier
Glycerin
humectant for hydration
Butylene Glycol
humectant and solvent
Aluminum Starch Octenylsuccinate
oil-absorbing texturizer
Polyacrylate Crosspolymer-6
gel-forming thickener
Sorbitan Laurate
emulsifier and stabilizer
Phenoxyethanol
preservative
Sodium Lactate
humectant and pH buffer
Hydroxyethylcellulose
viscosity-increasing thickener
Carbomer
gel thickener and stabilizer
Caprylyl Glycol
humectant and preservative booster
Acetyl Dipeptide-1 Cetyl Ester
peptide for soothing/anti-aging
Polysorbate 20
solubilizer and emulsifier
Ethylhexylglycerin
preservative booster and humectant
Tetrasodium EDTA
chelating agent
Potassium Hydroxide
pH adjuster
T-Butyl Alcohol
solvent and processing aid
Palmitoyl Tripeptide-1
signal peptide for collagen support
Palmitoyl Tetrapeptide-7
signal peptide for skin matrix support
Full Ingredient List (INCI)

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

Is No7 Laboratories Line Correcting Booster Serum worth it?

No7 Laboratories Line Correcting Booster Serum scores 3.4 out of 5.0 for efficacy (Basic) and 4.4 out of 5.0 for safety (Safe) on DemythSkin's independent ingredient analysis. 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 (palmit

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

No7 Laboratories Line Correcting Booster Serum contains no gold-standard actives — its formula is built on supporting and base ingredients rather than clinically transformative actives.

Does No7 Laboratories Line Correcting Booster Serum contain fragrance or known irritants?

DemythSkin flags these ingredients in No7 Laboratories Line Correcting Booster Serum as potential irritants: T-Butyl Alcohol.

How is No7 Laboratories Line Correcting Booster Serum scored?

DemythSkin grades every product on two independent axes: efficacy (whether the ingredients have clinical evidence of working) and safety (irritation and sensitisation risk). Ingredients are classified S through D against a database of over 3,000 compounds. No brand pays for a score.

Analyze on DemythSkin →

Analysis last updated: 2026-08-04. DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.