Is Brazil nut oil safe for someone with a nut allergy?

Anyone with a diagnosed allergy to tree nuts should avoid or carefully patch test Brazil nut oil, as it may cause allergic reactions.

Will Brazil nut oil clog pores?

Because of its rich oleic and palmitic fatty acid content, it is moderately heavy and may clog pores on easily congested or acne-prone skin.

Home › Ingredients › Bertholletia Excelsa Seed Oil

Bertholletia Excelsa Seed Oil

Also known as: Bertholletia excelsa oil, Brazil nut seed oil

Bertholletia excelsa seed oil, commonly known as Brazil nut oil, is a rich plant oil packed with nourishing fatty acids, selenium, and vitamin E. It acts as an intensive emollient that softens rough skin, supports the moisture barrier, and conditions dry hair strands. Individuals with known tree nut allergies should exercise caution and patch test before applying it.

Plant oil / emollientVegan

BenefitModerate 2.3 / 4

Hydration i2 / 4

Whether the ingredient helps increase the skin’s water content — humectants that attract water, ingredients that reduce water loss, or ones that make skin feel less dry.

Texture i1.4 / 4

Whether it can improve smoothness and surface texture — roughness, flaking, clogged pores, or unevenness. Exfoliating acids, retinoids, and smoothing moisturizers may score here.

Soothing i1.2 / 4

Whether it can calm the skin — linked to less redness, irritation, discomfort, or visible reactivity.

RiskLow 1 / 4

Acne aggravation i1 / 4

Whether it may worsen breakouts — clogging pores, feeling heavy on acne-prone skin, or triggering comedones in some users.

Sensitization i0.8 / 4

Risk of allergic contact dermatitis or immune-based reactions. Fragrance allergens, preservatives, botanicals, and some dyes may score here.

Rated by SpottyLabs' ingredient methodology, independent of brands.

What it helps with

Deeply moisturizes dry skin
Strengthens the lipid barrier
Conditions and smooths hair strands

Things to watch

Potential tree nut allergic reaction
May cause congestion in acne-prone skin

Pairs well with

None — Pairs effectively with humectants like glycerin to seal hydration into the skin.

See how this matches your skin

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Products with Bertholletia Excelsa Seed Oil

Asmine and Henna Hair Mask

4.1/ 59/1/16

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Frequently asked questions

Is Brazil nut oil safe for someone with a nut allergy?: Anyone with a diagnosed allergy to tree nuts should avoid or carefully patch test Brazil nut oil, as it may cause allergic reactions.
Will Brazil nut oil clog pores?: Because of its rich oleic and palmitic fatty acid content, it is moderately heavy and may clog pores on easily congested or acne-prone skin.