Common Name(s): Psidium guajava seed oil,psidium guajava seed oil,botanical oil/lipid,emollient efa source
CAS Number: N/a
DESCRIPTION
What It Does: Provides emollient conditioning from sc-compatible fatty acids and sterols with the lipid profile of psidium guajava determining barrier repair and skin feel properties.
Why It's Used: Psidium guajava seed oil is selected for the distinctive lipid profile of psidium guajava โ the specific efa and sterol composition determines spreading speed, occlusion level, and sc barrier integration properties unique to this botanical source.
How It Works: Botanical lipid: fatty acid triglycerides โ sc barrier emolliency; phytosterols โ sc barrier lipid integration; efa โ ceramide precursor; sterol esters โ enhanced sc penetration.
Typically Found In: Skin care,barrier repair
TECHNICAL DETAILS
Primary Category: Active ingredient โ antioxidant
Secondary Functions: Free radical scavenging,anti-aging
Application Areas:
Facial Skincare
Body Care
Hair Care
Beard Care
Color Cosmetics (Makeup)
Dietary/Oral Supplements
Typical Concentration Range: 0.5%โ30%
SOURCING & ETHICS
Vegan Status: Conditional
Halal Status: Conditional
Source Notes: Plant-derived extract or synthetic.
SKIN COMPATIBILITY
Irritancy Rating: 1/5 โ very low
Comedogenicity Rating: 0/5 โ non-comedogenic
Sensitivity Concerns: Non-irritating; well-tolerated.
Safe for Sensitive Skin: Yes
SAFETY & COMPATIBILITY
Safety Profile: Excellent safety profile. ewg score: 1.
Works Well With: Vitamin c,vitamin e,ferulic acid,spf,other antioxidants
Avoid Combining With: No significant incompatibilities
SCIENTIFIC NOTE
Efa and sterol content should be verified โ oxidative rancidity raises free radical load rather than reducing it.
Last Verified: Cosing database,psidium guajava botanical lipid review
Primary Sources: 2026-03-22