Evening Primrose Oil

INCI: Oenothera Biennis Oil

Oil from evening primrose seeds. One of the richest plant sources of gamma-linolenic acid (8–10%). Supports the barrier in atopic and dry skin, particularly in patients with omega-6 deficiency.

Moisturizing Barrier repair Soothing

Evidence by route

Topical application

Limited evidence. One RCT or several controlled studies with limitations.

Topical and oral use show modest improvement in atopic dermatitis symptoms and dryness. Effect is small compared with ceramide-based emollients but statistically significant.

Senapati S et al. Indian J Dermatol Venereol Leprol. 2008;74(5):447-452.
Bamford JT et al. Cochrane Database Syst Rev. 2013;(4):CD004416.

Tolerability and safety

Irritation potential

Low

Allergen risk

Low

Pregnancy

Caution

Skin types

Suitable for

NormalDrySensitive

Use with caution

Oily

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Frequently asked questions

Is Evening Primrose Oil safe during pregnancy?

Evening Primrose Oil should be used with caution during pregnancy. Consulting a dermatologist or OB-GYN is advisable.

What skin types is Evening Primrose Oil for?

Evening Primrose Oil suits: normal, dry, sensitive. Use with caution in: oily.

What is Evening Primrose Oil and what does it do in cosmetics?

Oil from evening primrose seeds.

Is Evening Primrose Oil comedogenic?

On the Fulton scale 2/5 – low comedogenicity. For acne-prone skin, a rating of 3 or higher suggests choosing an alternative.

What's the INCI name for Evening Primrose Oil?

The INCI name is Oenothera Biennis Oil. It may also appear as: Oenothera Biennis Seed Oil, Evening Primrose Oil, EPO.

Published: April 27, 2026 · updated: April 27, 2026