Emollient

Simmondsia Chinensis Seedcake Extract

INCI: SIMMONDSIA CHINENSIS SEEDCAKE EXTRACT

Reviewed by Rosie · Last updated 2 Jun 2026

A plant-derived conditioning agent from jojoba seeds that softens and protects skin and hair

Best For Skin Types

All, Dry, Combination

Addresses

Dryness, Barrier repair

Usage Frequency

Daily

What Is Simmondsia Chinensis Seedcake Extract?

Simmondsia chinensis seedcake extract is derived from the pressed residue of jojoba seeds after oil extraction. It contains proteins, amino acids, and polysaccharides alongside residual oils, making it a nutrient-rich botanical ingredient.

In skincare and haircare formulations, it functions as a skin and hair conditioner, helping to soften the outer layers and improve texture. Unlike pure jojoba oil, the seedcake extract retains the solid matter from seed processing, which can provide additional conditioning and texture benefits.

How It Works

The conditioning compounds in jojoba seedcake extract form a protective layer over the skin and hair surface. This occlusive effect reduces transepidermal water loss while the proteins and amino acids may interact with the outer skin layers to improve softness and elasticity.

The ingredient's composition allows it to condition without significant tackiness, making it versatile across different product types including serums, creams, and leave-on treatments.

Clinical Evidence & References

Published research specifically on jojoba seedcake extract is limited. Most data derives from the broader jojoba plant literature and general knowledge of seed protein and polysaccharide conditioning behaviour in cosmetics.

The ingredient is well-established in cosmetic formulation and considered safe based on decades of use, though controlled clinical studies examining specific conditioning claims would strengthen the evidence base. It is generally recognised as a skin-conditioning ingredient by regulatory bodies including the European Commission.

How to Use

Jojoba seedcake extract is typically incorporated into formulations by manufacturers rather than used as a standalone product. Look for it in moisturisers, serums, masks, and conditioners. It pairs well with other humectants and emollients to maximise conditioning benefits. No special handling is required by consumers.

Safety & Precautions

Generally well-tolerated and considered safe for topical use. Allergic reactions are rare but possible, particularly in individuals with known jojoba sensitivity.

Frequently Asked Questions

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