What is isopropyl palmitate in skincare?
Isopropyl palmitate is an ester formed from isopropyl alcohol and palmitic acid, a fatty acid from palm or coconut oil. It is a clear, light, odourless liquid used as an emollient, a thickener and a texture enhancer.
Its appeal to formulators is feel: it gives products a silky, fast-absorbing slip without the heaviness of a true oil, which is why it appears widely in moisturisers, cleansers, makeup and hair products.
What skin concerns does isopropyl palmitate treat?
It softens and smooths the skin surface and reduces water loss, so it contributes to hydration in dry and normal skin. It also helps other ingredients spread evenly.
The significant caveat is comedogenicity. Isopropyl palmitate rates high on comedogenicity assessments of dermatological ingredients, and is one of the esters most often implicated in cosmetic acne. If you break out in small bumps from products that otherwise seem light, this is a reasonable ingredient to suspect.
What ingredients are best paired with isopropyl palmitate?
On dry or mature skin it works well alongside ceramides, glycerin, hyaluronic acid and shea butter in a rich moisturiser.
If your skin is oily or acne-prone, look instead for squalane, caprylic/capric triglyceride or jojoba, which deliver a similar lightweight feel without the pore-clogging risk. Its close relative ethylhexyl palmitate behaves much the same way. Take our Skin Quiz.
What are dark spots?
Dark spots are localised patches where the skin has produced more melanin than the surrounding area. The umbrella term covers sun spots, post-acne marks, melasma patches and freckles – different causes, same visible result.
They are flat rather than raised, vary from light tan to deep brown, and are most noticeable on the face, hands and chest. In deeper skin tones they tend to be darker and to last considerably longer.
What causes dark spots?
Two mechanisms dominate. Ultraviolet exposure triggers protective melanin production, and inflammation – from acne, ingrown hairs, eczema, friction, burns or harsh treatments – leaves post-inflammatory hyperpigmentation behind as it heals.
Hormonal change, some medications and heat add to it. Picking at spots is one of the most avoidable causes: the extra inflammation reliably makes the mark darker and longer-lived than the original blemish.
What ingredients are best for dark spots?
Vitamin C, niacinamide and azelaic acid are the everyday workhorses. For stubborn pigment, alpha arbutin, tranexamic acid, kojic acid and liquorice root extract interrupt melanin production directly.
Retinoids and gentle AHAs clear pigmented cells faster from the surface. Give any routine twelve weeks before judging it, and wear broad-spectrum SPF daily or the spots will simply redarken. Take our Skin Quiz.