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Ceramides

Seal moisture in for a calmer, better-hydrated skin barrier

Oral ceramides help replenish skin barrier lipids from within, supporting hydration retention and comfort in dry or reactive skin. In clinical studies, ceramide supplementation has been associated with improved skin hydration and lower transepidermal water loss (TEWL), a marker linked to barrier integrity.

Skin pathways supported: Barrier lipids • Hydration retention • Moisture-loss support (TEWL)

  • How it works

    After ingestion, ceramide precursors are absorbed and incorporated into complex skin lipids as the epidermis renews over several weeks. These lipids integrate into the stratum corneum, improving the organisation of the skin’s lipid matrix.

    A better-organised lipid matrix is associated with lower transepidermal water loss (TEWL), meaning the water you add — through hyaluronic acid, diet, and topical products — escapes more slowly. In practice, this supports steadier hydration, a calmer baseline, and a smoother skin feel, particularly in dry or reactive skin.

    Benefits

    • Supports increased skin hydration and moisture retention

    • Associated with lower TEWL, a marker linked to skin barrier integrity

    • Helps improve smoothness and reduce dryness or rough texture

    • Complements hyaluronic acid by helping retain water within the skin

    Why it’s in BOOST

    BOOST is designed to support daily skin fundamentals from within:

    Together, these address hydration, barrier integrity, and daily stress rather than relying on surface hydration alone.

    Learn more about BOOST

    Supplement vs topical (they’re complementary)

    Topical ceramide creams act at the surface, supplying barrier lipids where they are temporarily depleted. They are excellent for immediate comfort and overnight repair.

    Oral ceramides work from within, supporting the skin’s own lipid pool as it turns over. This helps improve baseline barrier function, so the barrier you build is more resilient between topical applications.

    Used together, oral ceramides help maintain the underlying lipid matrix, while topical ceramides and hyaluronic acid moisturisers provide surface-level comfort and reinforcement.

    Why barrier support matters in the morning

    Daytime exposure to wind, dry air, heating or air conditioning, and screens can all increase moisture loss. A well-supported lipid barrier helps preserve the hydration you built overnight, so skin feels less tight and looks less dull as the day progresses.

    Even if your night cream contains ceramides, oral ceramides still play a role by supporting the underlying lipid structure that topical products sit on.

    Dosage context

    What BOOST provides
    30 mg plant-derived ceramides per day (per 2-capsule serving).

    What research uses
    Human skin studies commonly use approximately 20–40 mg/day of oral phytoceramides or glucosylceramides for 8–12 weeks, assessing hydration, dryness, and transepidermal water loss.

    How this fits
    30 mg/day sits within the clinically studied range and is paired in BOOST with hyaluronic acid and vitamin C to support barrier lipids and more comfortable, sustained skin hydration. Take daily and continue topical ceramide moisturisers for complementary surface support.

    Research snapshot

    • Wheat extract oil RCT (12 weeks): Increased skin hydration on arms, legs, and face, with improvements in dryness and roughness vs placebo.
      Read More

    • Wheat polar lipids RCT (12 weeks + follow-up): Improvements in barrier-related endpoints vs placebo, with signals sustained after stopping supplementation.
      Read More

    • Rice ceramides RCT (8 weeks): Associated with reduced TEWL and supportive gains in hydration and firmness vs placebo.
      Read. More

      Explore clinical studies →

FAQs

Does it help keep skin thicker over time?

Oral ceramides are studied for barrier support, which can mean better hydration and lower transepidermal water loss (TEWL). Some studies note improvements in the stratum corneum condition, but “thicker skin” (especially dermal thickening) is not the right claim. A better way to think about it is a stronger, better-organised barrier.

What’s the difference between oral and topical ceramides?

Topical ceramides work immediately at the surface to improve comfort and reduce dryness. Oral ceramides support the skin’s lipid pool over time as the epidermis renews, helping improve baseline barrier function. Many people use both: oral for long-term support, topical for day-to-day comfort.

Does taking ceramides make hyaluronic acid work better?

Indirectly, yes. Hyaluronic acid supports hydration, while ceramides help reduce water escape by strengthening the barrier. In simple terms: HA helps add water, ceramides help keep it in.

Any safety notes?

Oral ceramides are generally well tolerated at typical supplemental amounts. If you are pregnant, nursing, or managing a medical condition, it is best to check with your clinician.