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44 results for “Peptide concentrations”
Peptides & ingredients 20
Acetyl Hexapeptide-8
A peptide studied for the appearance of expression lines around the eyes.
Acetyl Tetrapeptide-2
A skin-conditioning peptide marketed by its supplier for firmer-looking skin.
Acetyl Tetrapeptide-3
A peptide listed with red clover extract in the brand’s Capixyl blend. · Hair & scalp
Acetyl Tetrapeptide-5
A peptide name recorded on a manufacturer’s cosmetic ingredient list. The name identifies an ingredient, not a predicted result.
Biotinoyl Tripeptide-1
A peptide listed in the brand’s Procapil blend. · Hair & scalp
Copper Palmitoyl Heptapeptide-14
A copper-containing peptide with a different name from Copper Tripeptide-1.
Copper Tripeptide-1
A copper-linked peptide used to help keep skin in good condition.
Dipeptide Diaminobutyroyl Benzylamide Diacetate
A named peptide in some cosmetic blends; formula evidence is separate from ingredient evidence.
Heptapeptide-15 Palmitate
A separately named peptide used alongside a copper-containing ingredient in Power Peptides.
Palmitoyl Pentapeptide-4
A peptide name recorded on a manufacturer’s cosmetic ingredient list. The name identifies an ingredient, not a predicted result.
Palmitoyl sh-Hexapeptide-13 Serine SP Amide
A peptide name recorded on a manufacturer’s cosmetic ingredient list. The name identifies an ingredient, not a predicted result.
Palmitoyl Tetrapeptide-7
A skin-conditioning peptide used in blends marketed for the appearance of wrinkles.
Palmitoyl Tripeptide-1
A skin-conditioning peptide used in blends marketed for the appearance of wrinkles.
Palmitoyl Tripeptide-38
A peptide associated with the commercial blend name Matrixyl synthe’6.
Pentapeptide-18
A peptide name recorded on a manufacturer’s cosmetic ingredient list. The name identifies an ingredient, not a predicted result.
Tetrapeptide-21
A peptide identified by the brand as part of TEGO PEP 4-17.
Tripeptide-1 Acetate
Another peptide form on NIOD’s label. Its name does not state how much is present.
Tripeptide-1 Copper Acetate
A copper-containing peptide name on NIOD’s label; its wording differs from Copper Tripeptide-1. Chemical equivalence has not been established in this review.
Tripeptide-29
A three-part peptide. The number 29 is an identifier, not its strength.
Carnosine
A peptide name recorded on a manufacturer’s cosmetic ingredient list. The name identifies an ingredient, not a predicted result.
Products 11
Market context: United States (USD). Recorded label and price information; availability in other countries is not documented. Educational results are not restricted by market.
Liquid Peptides
Medik8 · 30 mL · US label profile
Multi-Peptide + Copper Peptides 1% Serum
The Ordinary · 30 mL · US label profile
Multi-Peptide + HA Serum
The Ordinary · 30 mL · US label profile
Multi-Peptide Advanced Serum
Naturium · 30 mL · US label profile
Multi-Peptide Serum for Hair Density
The Ordinary · Hair & scalp · Draft profile
Power Peptides
Geek & Gorgeous · 30 mL · US label profile
The 6 Peptide Skin Booster Serum Mini
COSRX · 50 mL · US label profile
Argireline Solution 10%
The Ordinary · 30 mL · US label profile
Copper Amino Isolate Serum 3 1:1 (CAIS3)
NIOD · 30 mL · US label profile
Matrixyl 10% + HA
The Ordinary · 30 mL · US label profile
P-TIOX Anti-Wrinkle Serum
SkinCeuticals · 30 mL · US label profile
Guides & articles 3
What peptide percentages on serum labels actually tell you
Learn the difference between a peptide, a commercial blend and a finished serum, with examples and a clearly hypothetical concentration calculation. · Draft
Cosmetic, prescription or experimental?
Understand the differences before comparing two peptide products. · Draft research context
Matrixyl 3000 vs Matrixyl synthe’6: what the names mean
Compare the peptide names behind Matrixyl 3000 and synthe’6, learn how to read a serum label, and understand what the names cannot tell you. · Draft
Comparisons 10
COSRX 6 Peptide Mini vs The Ordinary Copper Peptides
What do the labels tell me, and what is still unknown? · Draft comparison
Geek & Gorgeous Power Peptides vs. The Ordinary Multi-Peptide + HA
What changes when I choose a peptide blend from another brand? · Draft comparison
Medik8 Liquid Peptides vs. The Ordinary Multi-Peptide + HA
What does a higher-priced peptide complex actually tell me? · Draft comparison
Naturium Multi-Peptide Advanced Serum vs. The Ordinary Multi-Peptide + HA
What should I compare when the peptide names differ? · Draft comparison
NIOD CAIS3 vs. The Ordinary copper peptide serum
Are these copper serums interchangeable, and what differences can I actually verify? · Draft comparison
SkinCeuticals P-TIOX vs The Ordinary Multi-Peptide + HA
What does the higher price tell us — and what does it leave unanswered? · Draft comparison
The Ordinary Argireline vs. Multi-Peptide + HA
What is the difference between Argireline and the broader peptide blend? · Draft comparison
The Ordinary Matrixyl vs. Multi-Peptide + HA
If Multi-Peptide + HA also lists these peptides, what does Matrixyl change? · Draft comparison
The Ordinary Multi-Peptide + HA vs. Copper Peptides
What changes when I choose the copper version? · Draft comparison
Timeless Matrixyl Synthe’6 vs. The Ordinary Matrixyl 10% + HA
Does 10% versus 2% tell me which Matrixyl serum is stronger? · Draft comparison
Scientific interpretations pending qualified review. Our methodology