INCI Name
Linum Usitatissimum (Flax) Seed Protein
Ingredient Origin
Plant-derived
Obtained from flaxseed (linseed)
Purity / Grade
• Cosmetic Grade
• Water-soluble protein
• Free from animal-derived ingredients
BENEFITS & USES
Key Benefits
• Improves hair strength and elasticity
• Enhances shine, softness, and manageability
• Provides skin-conditioning and smoothing effect
• Supports moisture retention
• Suitable for natural and vegan formulations
Typical Applications
• Shampoos and conditioners
• Hair masks and leave-in treatments
• Face creams and lotions
• Serums and anti-ageing products
• Styling and strengthening hair products
HOW IT WORKS
Hydrolyzed flax protein contains small protein fragments and amino acids that can easily interact with skin and hair. On hair, it forms a light film that strengthens the cuticle, reduces moisture loss, and improves shine. On skin, it helps bind water and smooth the surface, improving overall skin feel and appearance.
CONCENTRATION & SOLUBILITY
Recommended Usage Levels
• 0.5–2% in skincare formulations
• 1–3% in hair care products
Solubility Details
• Water soluble
• Easily incorporated into aqueous systems
FORMULATION GUIDELINES
• pH: Stable between pH 4.0–7.5
• Temperature: Add below 45–50 °C
• Compatibility: Compatible with surfactants, humectants, botanical extracts, and conditioning agents
• Avoid excessive heat to preserve protein activity
HOW TO USE
• Add to the water phase during cool-down
• Pre-dissolve in water if required
• Suitable for hot and cold process formulations
SAFETY & REGULATORY INFORMATION
• Cosmetic ingredient for external use only
• Non-therapeutic, non-medical claims only
• Generally well tolerated
• Compliant with Indian cosmetic regulations (CDSCO)
• Suitable for leave-on and rinse-off products
STORAGE & SHELF LIFE
• Store in a cool, dry place
• Protect from moisture and direct sunlight
• Shelf life: 24 months in unopened packaging