Most dry-skin advice starts and ends with "use a richer moisturiser." Sometimes that works. Often it does not, because the underlying biology is not about the outermost layer. Why skin becomes dry, the internal factors that topical products cannot reach, and where our LipidCell fits.
Why skin becomes dry — three layers of cause
Layer 1: Topical damage. Harsh cleansers, hot water, over-exfoliation with acids or retinol, frequent hand-washing, air-conditioning, heating, wind. The outer stratum corneum loses lipids and water faster than it rebuilds them. This is the layer topical products genuinely address.
Layer 2: Internal lipid pool. The ceramides, cholesterol, and fatty acids the skin uses to rebuild itself are supplied from within. If your diet is low in essential fatty acids, low in fat-soluble vitamins (A and E particularly), or your overall protein intake is inadequate, the raw materials for barrier repair are not available in the quantity the skin needs.
Layer 3: Hormonal and age-related changes. Oestrogen supports skin hydration; levels drop through perimenopause and after menopause, and skin dryness is one of the first visible changes. Natural squalene production (part of sebum) also declines with age. Men experience similar shifts more gradually.
Topical moisturisers work at Layer 1 only. Layers 2 and 3 are internal.
What the skin needs — from inside
Fat-soluble vitamins with authorised EU/UK claims directly relevant to skin:[1]
- Vitamin A contributes to the maintenance of normal skin.
- Vitamin E contributes to the protection of cells from oxidative stress — relevant to the UV-stressed biology of skin.
- Vitamin C contributes to normal collagen formation for normal skin function.
- Biotin contributes to the maintenance of normal skin.
- Niacin (B3) contributes to normal skin and mucous membranes.
- Riboflavin (B2) contributes to normal skin.
- Zinc contributes to the maintenance of normal skin.
- Iodine contributes to normal skin.
Plus the lipids themselves: omega-3 EPA and DHA (skin barrier context, though the authorised claim is heart-brain-vision)[2] and direct ceramides and squalane as supplement ingredients. Plant-source ALA is converted to EPA and DHA only modestly — one isotopic-tracer study in young women estimated about 21% conversion to EPA and 9% to DHA, which is why oily fish or a direct EPA/DHA supplement matters for the skin-relevant essential-fatty-acid pool.[3]
Where LipidCell fits
Our LipidCell combines:
- Squalane — the stable supplement form of squalene, a lipid your body makes less of with age.
- Plant-derived ceramides — the same sphingolipid class that makes up ~50% of the stratum corneum lipid matrix.
- Vitamin A and vitamin E — the two fat-soluble vitamins with skin-relevant authorised claims, delivered in a fat-soluble vehicle that absorbs properly.
It is specifically the inside-out half of dry-skin care. Used alongside a good moisturiser, not instead of it.
A full dry-skin protocol
Topical layer (what you already know): - Gentle, pH-balanced cleanser. No SLS, no alcohol. - Lukewarm water, short showers. - Moisturiser immediately after washing, while skin is damp. - Moisturisers containing ceramides, glycerin, hyaluronic acid, and fatty acids. - Sunscreen every morning — UV damages barrier lipids. - Pause strong actives (acids, retinol) if the barrier is compromised.
Internal layer (often missed): - Adequate dietary fat — olive oil, nuts, seeds, fatty fish, avocado. Fat-soluble vitamins cannot absorb without it. - Oily fish twice weekly, or omega-3 supplement at 250 mg+ EPA+DHA.[4] - LipidCell for the squalane, ceramides and vitamins A and E pairing. - Adequate daily protein. - Drink enough water — not as much as wellness content suggests, but enough.
Environmental layer: - Humidifier in dry winter indoor air. - Gloves in cold weather. - Avoid prolonged hot showers. - Mind heating — dry forced-air heating is brutal on skin.
Two to four weeks of consistent combined work is a fair judgment window.
When dry skin is a medical question
- Sudden, widespread dryness not explained by lifestyle changes.
- Cracking, bleeding, or persistent itch — eczema and other conditions need medical attention.
- Dry skin with significant fatigue, weight changes, or hair loss — can signal thyroid issues; blood test first.
- Dry skin in a specific pattern (joint creases, scalp scaling) — often dermatological conditions.
These are not supplement problems.
In practice
Dry skin is addressed in three layers — topical, internal, and environmental. Most dry-skin content covers only the first. The internal layer — fat-soluble vitamins A and E with ceramides and squalane — is where our LipidCell sits. Used alongside a sensible topical routine and attention to dietary fat, it covers the half of the problem moisturiser cannot reach.
References
- European Commission. EU Register of Nutrition and Health Claims Made on Foods. ec.europa.eu
- NHS. Fish and shellfish nutrition. nhs.uk
- Burdge GC, Wootton SA. Conversion of alpha-linolenic acid to eicosapentaenoic, docosapentaenoic and docosahexaenoic acids in young women. Br J Nutr. 2002;88(4):411–420. PubMed: 12323090
- Dyerberg J, Madsen P, Møller JM, Aardestrup I, Schmidt EB. Bioavailability of marine n-3 fatty acid formulations. Prostaglandins Leukot Essent Fatty Acids. 2010;83(3):137–141. PubMed: 20638827
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