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Sea buckthorn

Supplement botanical oil skin & hairimmune
Aka: Hippophae rhamnoides, seabuckthorn
Brands seen in Singapore: SeaBuckWonders, Swanson Vitamins, Vitacost, Source Naturals, Solaray
Not medical advice. Check with your doctor or pharmacist before you start, stop or change the timing of anything you take.
How to use
What it’s for
Skin and mucosal barrier claims — mostly preclinical
Pros & cons
Pros
  • Long used in traditional medicine for barrier repair
  • Small trials in dermatitis and burns read positive
  • Flavonoids, unsaturated fats, vitamins, carotenoids
Cons
  • Limited human evidence — small, unblinded, short trials
  • Composition varies by plant part and origin
  • Not in HSA's annex a/b — that list is not exhaustive
Sources
  1. The role of sea buckthorn in skin and mucosal health: a review from an anti-inflammatory perspective (Song et al., Front Pharmacol 2025) — abstract · read 2026-08-27
    what it says
    “a plant long utilized in traditional medicine, has recently garnered scientific attention for its therapeutic potential in enhancing barrier integrity”
  2. Song et al., Front Pharmacol 2025 — bioactive compounds · read 2026-08-27
    what it says
    “Modern studies reveal that its bioactive compounds—including flavonoids, unsaturated fatty acids, vitamins, and carotenoids—exert multifaceted pharmacological effects, such as anti-inflammatory, antioxidant, and tissue-repair properties”
  3. Song et al., Front Pharmacol 2025 — state of the clinical evidence · read 2026-08-27
    what it says
    “although small-scale clinical trials for conditions like AD and burn healing have reported positive outcomes, these studies are often constrained by limitations such as small sample sizes, lack of rigorous blinding, and short follow-up periods”
  4. Song et al., Front Pharmacol 2025 — what is still missing · read 2026-08-27
    what it says
    “there is an urgent need for large-scale, multi-center, randomized, double-blind, placebo-controlled clinical trials to robustly validate the efficacy and long-term safety of sea buckthorn preparations”
  5. Song et al., Front Pharmacol 2025 — standardisation problem · read 2026-08-27
    what it says
    “The content and ratio of its active components (such as flavonoids, fatty acids, vitamins) vary significantly depending on the plant part (e.g., fruit, seed, leaf) and geographical origin”
  6. HSA — Guidelines on Prohibited and Restricted Ingredients in Health Supplements and Traditional Medicines, GL-CHPB-1-012 Rev 001 (Oct 2025), Annex A/B — searched, no row for this ingredient · read 2026-08-27
    what it says
    “The objective of this guideline is to highlight the substances of concern when used in HS and TM and is not meant to be an exhaustive list.”
  7. iHerb Singapore — Sea Buckthorn Oils & Supplements category (default order, 1 - 18 of 18 results) · read 2026-08-27
    what it says
    “SeaBuckWonders, Pure Himalayan Sea Buckthorn Oil … Swanson Vitamins, Full Spectrum® Sea Buckthorn, 60 Capsules (400 mg per Capsule) … Vitacost, Sea Buckthorn Oil, 450 mg … Source Naturals, Omega-7, Sea Buckthorn Fruit Oil … Solaray, Sea Buckthorn”
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Updated 2026-08-29. Every line above traces to a numbered source. Kozen-X is not a medical device and does not give medical advice. It lists what published sources have written down — nothing more. A pair not listed is unrecorded, not cleared. Before you start, stop or re-time anything, talk to your doctor or pharmacist.