Vitamin F (Essential Fatty Acids)

Vitamin F (Essential Fatty Acids) — a traditional name for essential fatty acids, primarily linoleic acid (omega-6) and alpha-linolenic acid (omega-3), that the body cannot synthesize on its own. In skincare these lipids help reinforce the skin barrier, support moisture retention, and soften the look of dry, rough patches.

Key points

  • Vitamin F is not a true vitamin but a historical term for the essential fatty acids linoleic and alpha-linolenic acid.
  • Linoleic acid is a key structural component of skin-barrier lipids and is often lower in oil-prone or acne-prone skin.
  • It is commonly delivered through plant oils such as sunflower, safflower, rosehip, and evening primrose.
  • Topical essential fatty acids can help reduce transepidermal water loss and improve the feel of dry or compromised skin.

Frequently asked

Is vitamin F the same as fish oil?

No, vitamin F is a general term for essential fatty acids like linoleic and alpha-linolenic acid, which come from many plant oils, not specifically from fish oil.

Can vitamin F be used on oily or acne-prone skin?

Linoleic-acid-rich oils are often well tolerated by oily skin, though individual responses vary, so patch testing a new product is sensible.

Related topics

This is a foundational entry in the SYNC Skin Encyclopedia and is expanded over time. Educational information only — not medical advice.

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