Dr. Althea Gentle Vitamin C Serum

Solvent and humectant used to improve texture and ingredient solubility. Low systemic exposure expected from topical cosmetic use.

1,2-Hexanediol is commonly used as a solvent and preservative booster; topical exposure is low and it has no known pregnancy or breastfeeding concerns at cosmetic concentrations, though very sensitive skin may occasionally react.

A water derived from green tea leaves and used for skin conditioning. Cosmetic safety reviewers concluded that Camellia sinensis leaf water is safe in current practices when formulated to be non-sensitising.

Common emollient derived from fatty acids and glycerin. Used to soften skin and improve texture without pregnancy-specific concerns.

A high-molecular-weight polymer used for film formation, texture or stabilisation. Meaningful dermal absorption is expected to be limited and no reproductive or developmental concern was identified for normal topical use.

Polymer thickener and stabiliser used in creams and sunscreens. Low systemic exposure expected.

pH adjuster and buffer used to stabilise formulations. Reviewed cosmetic safety sources support normal topical use, with no pregnancy- or breastfeeding-specific topical signal identified in the material reviewed.

Natural polysaccharide thickener used for stability and texture. Not associated with pregnancy-specific concerns.

A stable ether derivative of vitamin C used as an antioxidant and brightening ingredient. Pregnancy-specific topical studies are limited, but no pregnancy-specific contraindication was identified in the reviewed literature. Published case reports describe allergic contact dermatitis, so local sensitivity remains possible and this classification should not be read as proof that irritation cannot occur.

Skin-conditioning ingredient commonly used in leave-on skincare. Reviewed cosmetic safety sources support normal topical use, with no pregnancy- or breastfeeding-specific topical signal identified in the material reviewed.

Disodium EDTA is a chelating agent used to improve formula stability and performance; it is considered low concern in topical cosmetic use, with no known pregnancy or breastfeeding risks at typical concentrations.

Allantoin is a soothing skin protectant commonly used to help reduce irritation and support comfort, with no known pregnancy or breastfeeding concerns in topical cosmetic use.

A fermentation-derived cosmetic ingredient used for conditioning or formula support. Composition depends on the organism, substrate and manufacturing controls. No pregnancy-specific reproductive or developmental hazard was identified for normal topical exposure; ingestion is outside this classification.

Preservative booster and skin-conditioning agent. Considered safe for cosmetic use with low systemic exposure when used as intended.

Solvent and humectant commonly used in leave-on products. Not associated with pregnancy-specific concerns at cosmetic exposure levels.

A tea-tree leaf extract used for skin conditioning and antimicrobial support. Cosmetic safety reviewers concluded that the assessed Melaleuca alternifolia-derived ingredients are safe in current practices when formulated to be non-sensitising. This leaf extract is distinct from concentrated tea-tree essential oil, although botanical allergy remains possible.