Tamanu oil, extracted from the seeds of Calophyllum inophyllum, is celebrated for its anti‑inflammatory, antimicrobial, antioxidant, and wound‑healing capabilities, all of which have been demonstrated in both in vitro and in vivo studies. Rich in fatty acids — such as oleic, linoleic, palmitic, and stearic acids — as well as unique compounds like calophyllolide and inophyllums, Tamanu oil supports collagen synthesis, epidermal repair, and scar attenuation. Thanks to its UV-absorbing antioxidants, it may also confer cytoprotective benefits, though it should not replace traditional sunscreens.
Tamanu oil adeptly moisturizes dry or brittle hair, deep-penetrating to strengthen the hair shaft and lend natural shine and improved manageability. Its antioxidant constituents may shield hair and scalp from ultraviolet-induced oxidative stress, while its anti-inflammatory and antimicrobial traits can help soothe scalp irritation and potentially mitigate dandruff-related conditions.
Quick Insights
Ingredient Rating:
GREAT
Type of Ingredient:
Emollient, Antioxidant, Anti-Inflammatory Agent, Barrier Support, Anti-Aging Agent and UV Protector
Intended Function:
Deliver rich moisturization while accelerating epidermal repair, reducing inflammation, combating microbial threats, and safeguarding against oxidative damage.
Common Applications:
Valued in healing balms, scar treatments, anti‑aging serums, facial oils, body oils, and as an enriched hair and scalp serum or conditioner for restoration and shine enhancement.
Target Audience:
Ideal for brands that serve dry, scar‑prone, sensitized, or mature skin, and those creating haircare lines targeting repair, scalp health, or environmental protection.
Also Known As:
Tamanu oil, Calophyllum inophyllum Seed Oil, Beauty-leaf oil, Kamani oil, Alexandrian laurel oil, Dilo oil.
Safety Analysis
Studies demonstrate Tamanu oil’s wound‑healing acceleration, increased collagen deposition, and reduced inflammatory cell infiltration in animal models. Its bioactive constituents like calophyllolide exhibit anti-inflammatory potency comparable to mild topical steroids. Tamanu oil’s efficacy against acne‑related bacteria (e.g., P. acnes) and skin pathogens supports barrier defense strategies in formulations for acne‑prone or compromised skin. Nonetheless, despite its richness, Tamanu oil has an EWG comedogenicity rating of 2, indicating a moderate likelihood of pore-clogging in sensitive skin types. Patch testing is advised, particularly for users with tree nut allergies or susceptible to contact dermatitis — rare allergic cases have been reported.
References
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