Common Name(s): Testosterone,testosterone,androgenic steroid,hormone active

CAS Number: N/a

DESCRIPTION

What It Does: Provides androgenic receptor activity — regulatory status varies by jurisdiction with many markets classifying testosterone-containing products as prescription pharmaceuticals.

Why It's Used: Testosterone is included in the inci database for reference — cosmetic use is restricted or prohibited in eu, us, and most major markets at concentrations with physiological androgenic activity.

How It Works: Testosterone → ar receptor agonism → androgenic gene expression; pharmacological androgen effects at systemic concentrations.

Typically Found In: Regulatory reference only

TECHNICAL DETAILS

Primary Category: Active ingredient – cosmetic active

Secondary Functions: Skin conditioning

Application Areas:

Typical Concentration Range: <0.001%

SOURCING & ETHICS

Vegan Status: Conditional - supplier confirmation required

Halal Status: Unverified - supplier confirmation required

Source Notes: Commercially produced for cosmetic use. verify vegan/halal status with supplier. [audit 2026-07-29 rev2: the record's own source_notes does not assert a non-animal origin, or instructs the reader to verify with the supplier; "yes" asserts knowledge the record does not hold. determination requires shariah-panel sign-off.]

SKIN COMPATIBILITY

Irritancy Rating: 1/5 – very low

Comedogenicity Rating: 0/5 – non-comedogenic

Sensitivity Concerns: Well-tolerated by most skin types.

Safe for Sensitive Skin: Yes

SAFETY & COMPATIBILITY

Safety Profile: Good safety profile at recommended concentrations. ewg score: 1–2.

Works Well With: Standard skincare actives

Avoid Combining With: No known significant incompatibilities

SCIENTIFIC NOTE

Verify regulatory status before any formulation use — testosterone is a controlled substance in many jurisdictions and is prohibited in eu cosmetics.

Last Verified: 2026-03-22

Primary Sources: Cosing database,testosterone androgenic hormone regulatory review