Why doesn't the greasy layer disappear?

Occlusives are ingredients that form a surface barrier to keep water from evaporating. Petroleum jelly and mineral oil are examples. That coating can feel thick and greasy because staying on the surface is part of its job. A moisturizer can do useful work without disappearing, despite the skincare industry's fondness for vanishing acts.3

Humectants, such as glycerin and hyaluronic acid, attract and hold water instead. They feel less thick and greasy than occlusives, and many moisturizers combine both types of ingredient. The useful distinction is between adding water and keeping it there, rather than assuming every moisturizer should feel the same.3

Which texture should I try?

Ointments are greasy and form the strongest barrier against water and irritants. Creams contain oil and water and are thinner; lotions are thinner still. If an ointment feels too heavy, a cream is a practical alternative. For mild dryness, a lotion can be enough. Choose the texture for the dryness you actually need to manage, not because a tub looks more serious than a bottle.14

A cream generally suits daytime use because it is less greasy and absorbs quickly. An ointment suits very dry, thickened skin and can be reserved for nighttime if its texture bothers you during the day. Your preferred texture can also change between hotter summer months and winter.56

How should I change my routine?

  1. 1Cleanse gently before applying skincare. Limit face washing to twice a day and after sweating rather than repeatedly washing away the shine.
  2. 2Apply moisturizer after washing while your skin is still damp. Moisturizer traps that water in your skin.
  3. 3Smooth the product gently in the direction of hair growth rather than rubbing vigorously.
  4. 4Try only one new moisturizer at a time. If you develop a reaction, this makes the cause easier to identify.
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Match application frequency to dryness, not shine alone. Slightly dry skin may need only a light moisturizer at night; very dry skin can need a richer product more often. Softness and reduced roughness can start as soon as emollient treatment begins. A greasy finish is not a useful measure of how much moisture your skin needs.16

Should I stop moisturizing if my skin is oily?

Oily skin still benefits from moisturizer. If you are prone to acne, look for wording such as "noncomedogenic" or "won't clog pores," which means the product is unlikely to cause acne. Heavy occlusive products can aggravate acne, so texture matters as well as the label.237

Benzoyl peroxide, salicylic acid, prescription retinoids and isotretinoin can dry and irritate skin. Daily moisturizer can help you tolerate these acne treatments. If you use a prescribed skin treatment, follow its application instructions. For steroid creams and other prescribed treatments for dry skin conditions, leave 20 to 30 minutes between products and ask your clinician which goes first.25

When is it more than an annoying finish?

Stop using the moisturizer if a dermatitis rash develops. Speak with a doctor, nurse or pharmacist about persistent burning or stinging, inflamed hair follicles, or worsening facial breakouts. Those reactions call for a product review rather than simply waiting longer for the moisturizer to absorb.15

Where this answer comes from

  1. 1Emollients and Moisturizers (Moisturisers)dermnetnz.org
  2. 2Moisturizer: Why you may need it if you have acneaad.org
  3. 3Emollients: Creams, Soaps, Moisturizers, Ointments, Benefitsmy.clevelandclinic.org
  4. 4Emollients for skin conditionsgosh.nhs.uk
  5. 5Emollientsnhs.uk
  6. 6Emollient use in skin conditionsbad.org.uk
  7. 7Skin care on a budgetaad.org