Helianthus Annuus (Sunflower) Seedcake

HEL

8/10

Concern level

High concern

A plant-derived byproduct of sunflower oil expression. In cosmetics it functions mainly as an abrasive/exfoliant and bulking agent, helping provide mild physical polishing or texture in rinse-off and scrub-type products. It is not a single defined molecule but a complex botanical material, so standard physicochemical values like molecular weight do not apply. ([cosingchecker.com](https://cosingchecker.com/ingredients/56523-helianthus-annuus-seedcake/))

Pore-clogging

Non-comedogenic

Pregnancy

Safe

Regulatory

No data

Chemical Properties

Typical Concentration

0.00% - 5.00%

CAS Number: 68937-99-5

Skin Type Compatibility

dry skin4/10

oily skin6/10

sensitive skin2/10

acne prone5/10

mature skin4/10

normal skin6/10

Interactions

incompatible with: avoid pairing with other strong physical exfoliants, use caution with acids/retinoids on the same routine if skin is sensitized, avoid aerosolization or spray formats that increase inhalation exposure

Risks & Warnings

Primary concerns are mechanical irritation from abrasive particles and possible sensitization/allergy because sunflower is in the Asteraceae family, which CIR notes can be sensitizing. Inhalation exposure is also a theoretical concern for spray applications. ([cir-safety.org](https://www.cir-safety.org/sites/default/files/Helian_092015_SLR.pdf))

Vegan Cruelty-Free