Turning your cosmetic peptides into market success

Unlock the potential of the fast growing cosmetics market by refining your cosmetic peptides with our expert support. From collagen stimulation to enhanced skin firmness, we help convert biological performance into strong, market ready product claims. With scalable, sustainable, and CMR-free production options, we tailor every step to your brand’s commercial objectives.

Palmitoyl Pentapeptide-4

Cosmetic Application: Collagen booster, wrinkle reduction, firming

  • INCI: Palmitoyl Pentapeptide-4
  • Sequence: Pal-Lys-Thr-Thr-Lys-Ser (Pal-KTTKS)
  • Approx. MW: ~802 Da
  • Modification: N-terminal palmitoylation
  • Recommended purity: ≥ 95%

Palmitoyl Tripeptide-1

Cosmetic Application: Skin repair, ECM rebuilding, anti-aging

  • INCI: Palmitoyl Tripeptide-1
  • Sequence: Pal-Gly-His-Lys (Pal-GHK)
  • Approx. MW: ~578–600 Da
  • Modification: N-terminal palmitoylation
  • Recommended purity: ≥ 95%

Palmitoyl Tetrapeptide-7

Cosmetic Application: Anti-inflammatory, reduces redness, improves firmness

  • INCI: Palmitoyl Tetrapeptide-7
  • Sequence: Pal-Gly-Gln-Pro-Arg (Pal-GQPR)
  • Approx. MW: ~802 Da
  • Modification: N-terminal palmitoylation
  • Recommended purity: ≥ 95%

Palmitoyl Tripeptide-5

Cosmetic Application: TGF-β collagen stimulation, firming, lifting

  • INCI: Palmitoyl Tripeptide-5
  • Sequence: Pal-Lys-Val-Lys (Pal-KVK)
  • Approx. MW: ~578–650 Da
  • Modification: N-terminal palmitoylation
  • Recommended purity: ≥ 95%

Acetyl Hexapeptide-8 

Cosmetic Application: Expression line smoothing (“Botox-like”), forehead & eye wrinkles

  • INCI: Acetyl Hexapeptide-8
  • Sequence: Ac-Glu-Glu-Met-Gln-Arg-Arg-NH₂ (Ac-EEMQRR-NH₂)
  • Approx. MW: ~889 Da
  • Modification: N-terminal acetyl, C-terminal amide
  • Recommended purity: ≥ 95%

Acetyl Octapeptide-3 

Cosmetic Application: Strong anti-wrinkle peptide, mimetic relaxation

  • INCI: Acetyl Octapeptide-3
  • Sequence: Ac-Glu-Glu-Met-Gln-Arg-Arg-Ala-Asp-NH₂ (Ac-EEMQRRAD-NH₂)
  • Approx. MW: ~1075 Da
  • Modification: N-terminal acetyl, C-terminal amide
  • Recommended purity: ≥ 95%

Pentapeptide-18 

Cosmetic Application: Reduces muscle contraction and expression wrinkles

  • INCI: Pentapeptide-18
  • Sequence: Tyr-D-Ala-Gly-Phe-Leu
  • Approx. MW: ~573 Da
  • Modification: —
  • Recommended purity: ≥ 95%

Hexapeptide-10

Cosmetic Application: Improves cell adhesion, firmness and skin structure

  • INCI: Hexapeptide-10
  • Sequence: Ser-Ile-Lys-Val-Ala-Val (SIKVAV)
  • Approx. MW: ~633 Da
  • Modification: —
  • Recommended purity: ≥ 95%

Tetrapeptide-21

Cosmetic Application: Collagen booster, reduces skin roughness

  • INCI: Tetrapeptide-21
  • Sequence: Gly-Gln-Pro-Arg (GQPR)
  • Approx. MW: ~441 Da
  • Modification: —
  • Recommended purity: ≥ 95%

Acetyl Tetrapeptide-11

Cosmetic Application: Reinforces epidermal cohesion, improves skin texture

  • INCI: Acetyl Tetrapeptide-11
  • Sequence: Proprietary
  • Approx. MW: —
  • Modification: N-terminal acetyl
  • Recommended purity: ≥ 95%

Acetyl Tetrapeptide-9

Cosmetic Application: Strengthens ECM, improves collagen fiber organization

  • INCI: Acetyl Tetrapeptide-9
  • Sequence: Ac-Gln-Gly-Pro-Lys-NH₂ (Ac-QGPK-NH₂)
  • Approx. MW: ~485 Da
  • Modification: N-terminal acetyl, C-terminal amide
  • Recommended purity: ≥ 95%

Caprooyl Tetrapeptide-3

Cosmetic Application: Stimulates lumican, reinforces the dermal matrix

  • INCI: Caprooyl Tetrapeptide-3
  • Sequence: Cap-Gln-Gly-Pro-Lys (Cap-QGPK)
  • Approx. MW: ~592–620 Da
  • Modification: N-terminal caprooylation
  • Recommended purity: ≥ 95%

Trifluoroacetyl Tripeptide-2

Cosmetic Application: Prevents collagen degradation, improves firmness & facial contour

  • INCI: Trifluoroacetyl Tripeptide-2
  • Sequence: TFA-Val-Tyr-Val
  • Approx. MW: ~427 Da
  • Modification: N-terminal trifluoroacetyl
  • Recommended purity: ≥ 95%

Nonapeptide-1

Cosmetic Application: Skin brightening, melanin inhibition, dark spot reduction

  • INCI: Nonapeptide-1
  • Sequence: Tyr-Arg-Ser-Nle-Gly-Tyr-Ser-Nle-Trp-NH₂
  • Approx. MW: ~1227 Da
  • Modification: C-terminal amide
  • Recommended purity: ≥ 95%

Decapeptide-12

Cosmetic Application: Potent brightening peptide, reduces hyperpigmentation

  • INCI: Decapeptide-12
  • Sequence: Tyr-Arg-Trp-Asp-Trp-His-Arg-Ser-Asn (YRWDWHSRSN)
  • Approx. MW: ~1305 Da
  • Modification: —
  • Recommended purity: ≥ 95%

Oligopeptide-68

Cosmetic Application: Brightening peptide, evens skin tone

  • INCI: Oligopeptide-68
  • Sequence: Proprietary
  • Approx. MW: —
  • Modification: —
  • Recommended purity: ≥ 95%

Hexapeptide-2

Cosmetic Application: Melanin regulator, brightening agent

  • INCI: Hexapeptide-2
  • Sequence: Proprietary
  • Approx. MW: —
  • Modification: —
  • Recommended purity: ≥ 95%

Copper Tripeptide-1 (GHK-Cu)

Cosmetic Application: Regeneration, wound healing, anti-aging, improved firmness

  • INCI: Copper Tripeptide-1
  • Sequence: Gly-His-Lys (GHK) complexed with Cu²⁺
  • Approx. MW: ~340–400 Da (peptide + copper)
  • Modification: Copper chelation
  • Recommended purity: ≥ 98% (peptide before chelation)

Carnosine

Cosmetic Application: Anti-glycation, antioxidant, UV and oxidative protection

  • INCI: Carnosine
  • Sequence: β-Ala-His
  • Approx. MW: 226 Da
  • Modification: —
  • Recommended purity: ≥ 98%

Hexanoyl Dipeptide-3 Norleucine Acetate

  • INCI: Hexanoyl Dipeptide-3 Norleucine Acetate
  • Sequence: Hex-Norleucine-Gly-NHAc
  • Approx. MW: ~345–400 Da
  • Modification: Hexanoyl + acetate
  • Recommended purity: ≥ 95%

Diaminopropionoyl Tripeptide-33

Cosmetic Application: Helps repair UV-induced DNA damage in melanocytes

  • INCI: Diaminopropionoyl Tripeptide-33
  • Sequence: Proprietary
  • Approx. MW: —
  • Modification: Diaminopropionoyl substitution
  • Recommended purity: ≥ 95%

Heptapeptide-7

Cosmetic Application: Regeneration and repair, wound-healing support

  • INCI: Heptapeptide-7
  • Sequence: Proprietary
  • Approx. MW: —
  • Modification: —
  • Recommended purity: ≥ 95%

Heptapeptide-8

Cosmetic Application: Improves dermal–epidermal junction (DEJ), increases firmness

  • INCI: Heptapeptide-8
  • Sequence: Peptide composed of Arg / Ile / Leu / Phe (exact sequence proprietary)
  • Approx. MW: —
  • Modification: —
  • Recommended purity: ≥ 95%

WHY CHOOSE SEROX

Scientific Expertise in Cosmetic Peptide API Development

Serox combines advanced peptide chemistry with scalable process engineering. From early route design to GMP-aligned manufacturing concepts, we focus on robustness, purity profiles, and process reproducibility to ensure seamless development progression.

Reliable Scale-Up & Manufacturing Readiness

Our development strategy is built around efficient transfer from lab scale to pilot and commercial production. We optimize synthesis parameters, impurity control, and downstream purification to support consistent batch performance and long-term supply security.

Quality, Compliance & Regulatory Focus

Serox operates with a strong quality-driven mindset, aligned with international regulatory expectations. Documentation, traceability, and analytical characterization are integrated early in development to facilitate future DMF submissions and global market access.