Hexapeptide-2

Also known as: L-Lysinamide, L-histidyl-D-tryptophyl-L-alanyl-L-tryptophyl-D-phenylalanyl-, Histidyl-tryptophyl-alanyl-tryptophyl-phenylalanyl-lysinamide, Ghrp-6

INCI: HEXAPEPTIDE-2

Hexapeptide-2 (CAS 87616-84-0) is a cosmetic cosmetic ingredient functioning as Skin bleaching agent, skin conditioning agent. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in pharmaceutical data.

View industrial chemical safety profile for CAS 87616-84-0 →

Auto-generated CPSR Part A draft with source citations
Function
Skin bleaching agent, skin conditioning agent
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C46H56N12O6
MW
873 g/mol
PubChem CID
9919153
IUPAC Name
(2S)-6-amino-2-[[(2R)-2-[[(2S)-2-[[(2S)-2-[[(2R)-2-[[(2S)-2-amino-3-(1H-imidazol-5-yl)propanoyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]propanoyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]-3-phenylpropanoyl]amino]hexanamide
InChIKey
WZHKXNSOCOQYQX-FUAFALNISA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes No CIR safety assessment exists for Hexapeptide-2. Falls under standard MoCRA compliance. No FDA GRAS classification applicable.

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Hexapeptide-2.

Calculate MoS for your specific formulation with the MoS Calculator.

Additional Ingredient Properties

4 property records from structured ingredient metadata.

anti_aging
{"anti_aging_claim": "brightening, dark-spot-reduction", "mechanism_of_action": "Signal peptide for fibroblast activation", "target_skin_layer": "dermis", "collagen_stimulation": "Moderate", "elastin_protection": "Moderate", "wrinkle_reduction_pct": "8-15", "clinical_study_duration_weeks": "8", "sample_size": "25", "double_blind": "Yes", "placebo_controlled": "Yes", "published_journal": "JOCD, Int…
self_tanning
{"cas_number": "proprietary", "ingredient_class": "tan_accelerator", "tanning_mechanism": "melanin_stimulation", "color_development_onset_hours": "72.0", "full_color_development_hours": "240", "color_duration_days": "14", "color_depth": "light", "undertone": "natural", "DHA_concentration_if_applicable_pct": "0", "erythrulose_concentration_pct": "0", "pH_dependent_color": "no", "formaldehyde_releas…
synergy
{"inci_name_2": "Niacinamide", "synergy_type": "efficacy-boost", "synergy_description": "Melanin-inhibiting peptide with melanosome blocker for brightening", "combined_benefit": "Enhanced skin brightening, dual-mechanism melanin control", "efficacy_multiplier": "2.2x", "mechanism_of_action": "Hexapeptide-2 inhibits melanin synthesis; niacinamide blocks melanosome transfer", "optimal_ratio": "1:10 …
uv_stability
{"uv_stable": "yes", "uv_degradation_rate": "stable", "photosensitizer": "no", "phototoxic": "no", "photoallergic": "no", "requires_uv_protection_packaging": "no", "color_change_uv": "no", "odor_change_uv": "no", "efficacy_loss_uv_pct": "5", "spf_contribution": "no", "uva_protection": "no", "uvb_protection": "no", "photostable_sunscreen": "no", "boost_spf_of_others": "no", "antioxidant_under_uv": …

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Softener and conditioner

Expert Verdict

Expert safety assessment and concern-level summary for Hexapeptide-2.

Regulatory Flags

no-sccs-opinion no-cir-monograph no-dermal-absorption-data no-sensitization-study no-mos-calculated skin-bleaching-agent active-biological-function

Known Synonyms

L-Lysinamide, L-histidyl-D-tryptophyl-L-alanyl-L-tryptophyl-D-phenylalanyl- Histidyl-tryptophyl-alanyl-tryptophyl-phenylalanyl-lysinamide Ghrp-6

Chemical Function

Softener and conditioner

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

ChEMBL ID
CHEMBL105462
View full pharmaceutical profile →

Frequently Asked Questions

Is Hexapeptide-2 safe in cosmetics?

Hexapeptide-2 has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.

Is Hexapeptide-2 allowed in the EU?

Hexapeptide-2 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Hexapeptide-2 do in cosmetics?

Hexapeptide-2 functions as: Skin bleaching agent, skin conditioning agent. It is classified as a cosmetic ingredient in our database. CAS number: 87616-84-0.

Is Hexapeptide-2 used outside cosmetics?

Hexapeptide-2 also appears in pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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