LINSEED OIL

Description: LINSEED OIL — EMOLLIENT.

All Functions: EMOLLIENT

Quick Facts:

• Category: emollient
• Also Known As: LINUM USITATISSIMUM OIL
• Comedogenic Rating: 5/5

Proven Benefits At A Glance:

• Linseed oil contains omega-3 fatty acids, particularly alpha-linolenic acid, which have anti-inflammatory properties
• Oral linseed oil may help improve skin barrier function and reduce water loss from skin in animal studies
• Both oral and topical linseed oil showed effectiveness in treating dry eye conditions in animal models
• Linseed oil is being researched for potential benefits in skin disorders and various chronic health conditions
• Limited human clinical evidence exists; most research to date has been conducted in animals

Safety tier is a starting heuristic from regulatory status and comedogenic rating, not a dermatological verdict — see our Terms for the full disclaimer. Research confidence reflects how many real cited studies back this ingredient, not the strength of their findings.

🧪 LINSEED OIL

LINSEED OIL

CAS Number: 8001-26-1

Also Known As: LINUM USITATISSIMUM OIL

Category: emollient

Linseed oil (refined). Maximum comedogenicity

LINSEED OIL is an emollient ingredient used in skincare formulations.

🌍 Regulatory Status

📊 Comedogenicity

5/5

📚 Research & Evidence

🔬 The Science

Linseed oil is rich in omega-3 fatty acids, with alpha-linolenic acid as a key component (Critical Reviews in Food Science and Nutrition, 2025). Here’s what the current research shows:

#1: Skin Barrier Support — In obese mice, oral linseed oil intake reduced transepidermal water loss (TEWL), the primary measure of skin barrier function, compared to controls. The mice also showed less visible skin redness after UV exposure (Cureus, 2024). The research suggests this effect works because alpha-linolenic acid from the linseed oil is absorbed into red blood cells and delivered to skin tissue, where it reduces inflammatory gene expression. Scientists observed that alpha-linolenic acid levels in skin were inversely correlated with inflammation markers, meaning higher omega-3 levels corresponded with lower inflammation (Cureus, 2024).

#2: Dry Eye Treatment — Multiple animal studies tested linseed oil for experimentally induced dry eye (keratoconjunctivitis sicca). One study found that linseed oil administered orally, topically, or both showed significant improvements in tear production and corneal health compared to untreated controls, though combining both routes didn’t provide additional benefits beyond a single route (Journal of Ophthalmic Inflammation and Infection, 2013). In another study comparing linseed oil to olive oil for dry eye, linseed oil performed better at reducing corneal damage and inflammation, and it enhanced the effectiveness of cyclosporine when used as a delivery vehicle (Arquivos Brasileiros de Oftalmologia, 2015).

Important limitations: All skin and eye studies cited were conducted in animals (mice and rabbits), not humans. The Critical Reviews source identifies skin disorder relief as a “secondary” health effect of linseed and notes that intensified research efforts are needed across multiple areas including clinical studies in humans (Critical Reviews in Food Science and Nutrition, 2025). No human clinical trial data on linseed oil for skincare appears in these sources.

💧 Skin Type Compatibility

Derived from this ingredient’s irritancy potential and comedogenicity rating against the needs of each skin type — e.g. oily and acne-prone skin are marked down for pore-clogging ingredients, sensitive skin for irritants. A starting heuristic, not a dermatological verdict.

⚠️ Don’t Combine With

🧴 Products Containing LINSEED OIL

• l-oreal, l-oreal-consumer-products, l-oreal-paris, Elseve Elseve Color-vive shampooing soin
• L’Oréal Elvive
• l-oreal, l-oreal-consumer-products, l-oreal-paris, Elseve Elseve Color-Vive Shampooing soin (maxi format)
• L’Oréal, L’Oreal Consumer products, L’Oréal Paris, Elseve Color-Vive Soin démêlant instantané Cheveux colorés ou mêchés
• l-oreal, l-oreal-consumer-products, l-oreal-paris, Elseve Formule 2 en 1 Elseve Color-Vive Shampooing soin
• L’Oréal, L’Oreal Consumer products, L’Oréal Paris, Elseve Elseve Color-Vive Shampooing soin (format XXL)
• L’Oréal, L’Oreal Consumer products, Garnier, Fructis Fructis Shampooing fortifiant Color Resist
• Volini is sold by Sun Pharma Volini Pain Relief Gel
• Volini Volini
• Volini Volini Pain Relief Spray
• L’Oréal, L’Oreal Consumer products, Garnier, Fructis Fructis Après-shampooing Fortifiant Color Resist

📄 Related Research

Matched by search — not necessarily verified support for every statement above.

• Horie Y et al. (2024). Oral Intake of Linseed Oil Inhibits Skin Barrier Dysfunction in Obese Mice. Cureus.
• Neves ML et al. (2013). Use of linseed oil to treat experimentally induced keratoconjunctivitis sicca in rabbits. J Ophthalmic Inflamm Infect.
• Langyan S et al. (2025). Trends and advances in pre- and post-harvest processing of linseed oil for quality food and health products. Crit Rev Food Sci Nutr.
• Parrilha LR et al. (2015). Comparison of 1% cyclosporine eye drops in olive oil and in linseed oil to treat experimentally-induced keratoconjunctivitis sicca in rabbits. Arq Bras Oftalmol.