Healing Hair Ceremony Serum

Sensitization | Black seed oil contains bioactive constituents including thymoquinone. Allergic contact dermatitis has been reported with topical Nigella sativa oil, so sensitive individuals may react despite generally…

Ingredient-specific cosmetic toxicology data are limited. Aromatic botanical oils contain multiple volatile constituents and may cause irritation or allergic sensitization in susceptible individuals.

Palo santo essential oil contains volatile terpenes, including limonene, that may oxidize and become skin sensitizers. Concentrated essential oils can also cause irritation in susceptible individuals.

Schinus species are related to known allergenic plants and contain complex botanical constituents. Ingredient-specific cosmetic safety data are limited, and irritation or allergic sensitization is possible in susceptible…

Contains high levels of limonene, which can oxidize into sensitizing compounds. Expressed sweet orange oil is generally considered substantially less phototoxic than certain other citrus oils, but sensitization…

Sensitization and Irritation | Cedarwood oil contains volatile aromatic terpenes that may irritate or sensitize susceptible skin. Oxidation and composition variability can affect allergenic potential.

May cause irritation or sensitization.

Elemi oil contains volatile fragrance terpenes that may cause irritation or allergic sensitization, particularly after oxidation. Fragrance-allergen exposure warrants caution in leave-on products.

This essential oil is a complex mixture of volatile aromatic constituents. Ingredient-specific safety data are limited, and essential oils may cause skin irritation or allergic sensitization in susceptible…

Amyris essential oil contains volatile fragrance constituents that may cause irritation or allergic sensitization in susceptible individuals. Ingredient-specific human cosmetic safety data are limited.

Fir essential oil contains terpenes that can oxidize into sensitizing compounds. Concentrated or oxidized oil may cause skin irritation or allergic contact dermatitis in susceptible individuals.

Essential oil mixtures may cause irritation or allergic contact reactions in susceptible individuals; safety depends on concentration and constituent profile.

Generally tolerated at appropriate cosmetic concentrations, but naturally contains fragrance constituents such as linalool that can oxidize into potent contact allergens.

Essential oil with potential for irritation or sensitization in susceptible individuals.

Ingredient-specific cosmetic toxicology data are limited. As a complex aromatic essential oil, it may cause irritation or allergic sensitization in susceptible individuals.

Fresh limonene has relatively low sensitizing potential, but it oxidizes in air to form potent contact allergens that may cause allergic contact dermatitis. Concentrated exposure may also irritate…

Recognized fragrance allergen. Oxidation products may increase sensitization potential and trigger allergic contact dermatitis in susceptible individuals.

Fresh linalool has relatively low sensitizing potential, but oxidation in air forms hydroperoxides that are established contact allergens. It is subject to fragrance-allergen labeling requirements in applicable jurisdictions.

Recognized fragrance allergen that may cause allergic contact dermatitis in sensitive individuals.

Recognized fragrance allergen that can cause allergic contact dermatitis in sensitized individuals.

Established fragrance contact allergen that can cause sensitization and allergic contact dermatitis in susceptible individuals. Subject to fragrance-allergen labeling requirements at applicable thresholds.