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Glossary Saturated Fats

contain no double bonds between carbon atoms

Saturated fats, also known as saturated fatty acids, are a type of fat molecule that have no double bonds between carbon atoms because they are saturated with hydrogen atoms. These fats are typically solid at room temperature and are found in animal products like butter, cheese, and red meat, as well as some plant oils like coconut and palm oil. High intake of saturated fats has been linked to increased levels of LDL cholesterol in the blood, which can raise the risk of heart disease.

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research Gut Microbiota Shapes the Effects of Saturated and Polyunsaturated Fatty Acids on Skin and Hair Follicle Homeostasis

July 2026 in “Journal of Investigative Dermatology”

This study found that omega-6 and saturated fatty acid-enriched diets promote weight gain and certain skin changes regardless of gut microbiota, while omega-3 diets limit adiposity and affect skin in a microbiota-dependent way in mice, highlighting a diet–microbiota–lipid relationship in skin health.

research Sebaceous gland abnormalities in fatty acyl CoA reductase 2 (Far2) null mice result in primary cicatricial alopecia

14 citations , October 2018 in “PloS one”

In this study, Far2-/- mice were observed to develop focal alopecia with altered sebaceous gland morphology and lower skin lipid levels compared to wildtype mice.

research Multimodal Evidence of Mesostructured Calcium Fatty Acid Deposits in Human Hair and Their Role on Hair Properties

6 citations , September 2018 in “ACS applied bio materials”

This study provides conclusive evidence of exogenous calcium fatty acid deposits forming between the cuticle layers in hair, affecting its optical and mechanical properties.

research Linking diet to acne metabolomics, inflammation, and comedogenesis: an update

138 citations , July 2015 in “Clinical, Cosmetic and Investigational Dermatology”

This review discusses how Western diet may contribute to acne vulgaris through insulin signaling and metabolomic changes, promoting a dietary approach for management, but reports no new experimental results.

Chronic Inflammatory Diseases Stimulated by Current Lifestyle: How Diet, Stress Levels, and Medication Prevent Our Body from Recovering

research Chronic inflammatory diseases are stimulated by current lifestyle: how diet, stress levels and medication prevent our body from recovering

119 citations , January 2012 in “Nutrition & Metabolism”

This article suggests that modern lifestyle changes, including diet, stress, and chronic anti-inflammatory medication use, may disrupt the natural process of inflammation resolution, increasing vulnerability to chronic disease.

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community My experience on the Peat diet

6 upvotes 12 years ago

Following a Ray Peat diet led to less hair fall, thicker hair, and new hair growth at bald spots. The diet included stopping Omega 3 supplements, eating liver, increasing fruit, sugar, and saturated fat intake, and occasionally consuming coffee, tea, raw carrots, and shellfish.

community Topical serum made from monounsaturated fatty acids that triggered rapid hair growth in mice within 20 days

450 upvotes 5 months ago

A topical serum made from monounsaturated fatty acids showed rapid hair growth in mice within 20 days, but it remains experimental for humans. Users humorously discussed the frequent success of hair growth treatments in mice and expressed skepticism about translating these results to humans.

community Adipocyte lipolysis activates epithelial stem cells for hair regeneration through fatty acid metabolic signaling

23 upvotes 10 months ago

Fatty acid metabolic signaling can activate epithelial stem cells for hair regeneration. Oleic and palmitoleic acids showed the best results, but practical application on humans remains uncertain.

community Fats on your Head to Stop Hair Loss?

140 upvotes 2 years ago

The conversation discusses the potential of long-chain unsaturated fatty acids, like oleic and linoleic acid, as an additional treatment for hair loss, which may inhibit the enzyme responsible for converting testosterone to DHT and promote hair growth. Users humorously suggest using oils topically and discuss other hair loss treatments, but the main focus is on the science behind fatty acids and their role in hair health.

community Anyone experienced weight gain on dutasteride?

5 upvotes 4 years ago

Dutasteride can lead to increased cholesterol and liver fat. The user is reconsidering its use due to high cholesterol and lipid levels despite a healthy lifestyle.

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