What is sodium hyaluronate in skincare?
Sodium hyaluronate is the sodium salt of hyaluronic acid – the form most commonly used in cosmetic formulation. It is more stable, less prone to oxidation and has a smaller molecular size than pure hyaluronic acid.
That smaller size is the practical difference: sodium hyaluronate penetrates the upper epidermis rather than sitting entirely on the surface, so it hydrates within the skin as well as on it.
What skin concerns does sodium hyaluronate treat?
It relieves dehydration, tightness and flakiness in any skin type, and because it is weightless and non-comedogenic it suits oily and acne-prone skin that heavy creams would congest.
Well-hydrated cells sit plumper, which immediately softens fine lines and improves how light reflects off the face. It also makes retinoids and acids more comfortable to use alongside, by keeping the barrier supple.
What ingredients are best paired with sodium hyaluronate?
It draws water in but cannot hold it, so seal it with ceramides, squalane, shea butter or any decent moisturiser applied immediately after, ideally onto slightly damp skin.
It layers with essentially everything – vitamin C, niacinamide, retinoids, peptides, acids. In very dry air, always cover it with an occlusive so it draws moisture from the air rather than from deeper skin. Take our Skin Quiz.
What are sun spots?
Sun spots are flat patches of concentrated pigment that form where skin has taken the most ultraviolet exposure – cheeks, nose, forehead, hands, shoulders and chest. Dermatologists call them solar lentigines; they are the same thing as age spots.
They are harmless, but they are a visible marker of accumulated photodamage, and they usually arrive alongside other signs of it: fine lines, loss of firmness and an uneven overall tone.
What causes sun spots?
UV radiation prompts melanocytes to produce extra melanin as a defence. With repeated exposure that response becomes localised and fixed, leaving discrete patches instead of an even tan that fades.
Tanning beds, sunburns in childhood, fair skin and outdoor time without protection all increase the count. Incidental exposure – driving, walking, sitting near a window – adds up more than most people expect.
What ingredients are best for sun spots?
Retinoids to accelerate turnover, vitamin C to protect and brighten, and pigment inhibitors such as alpha arbutin, kojic acid, azelaic acid, tranexamic acid and liquorice root are the core toolkit.
Gentle AHAs help shift surface pigment, and niacinamide slows the transfer of melanin into skin cells. None of it holds without daily broad-spectrum SPF and reapplication. Take our Skin Quiz.
