Psoriasis Creams, Ointments and Moisturisers: A Practical Guide

Dr Jonas Witt

Medical Doctor

5 min

•

September 28, 2026

Key takeaways

Moisturisers help dryness and scale but are not the same as medicated treatment.
Topical corticosteroids are widely used for plaque psoriasis.
Vitamin D analogues and other steroid-sparing agents have specific roles.
Sensitive areas require different choices from thick plaques on elbows or knees.

Psoriasis Creams, Ointments and Moisturisers: A Practical Guide

Moisturisers and emollients

Emollients add moisture, reduce dryness and can make scale feel softer. Ointments are greasier and more occlusive; creams are lighter; lotions can be easier over hairy areas. The best vehicle is often the one a person can use consistently.

Topical corticosteroids

Corticosteroids reduce inflammation and are a mainstay of topical psoriasis care. Strength, body site and duration matter because inappropriate prolonged use can cause side effects such as skin thinning.

Vitamin D analogues and combinations

Vitamin D analogues such as calcipotriol are established topical treatments. They may be used alone or combined with a corticosteroid. These are medicines applied to skin and should not be confused with oral vitamin D supplements.

Salicylic acid, coal tar and scale

Salicylic acid can soften thick scale, which may help other treatments reach the skin. Coal tar is another long-used option. Both can be messy or irritating for some people, and instructions should be followed carefully.

Face, folds and genitals

Thin or sensitive skin requires extra caution with potent corticosteroids. Clinicians may use lower-potency steroids for short periods or steroid-sparing medicines depending on the site.

Using topical treatment well

Ask how much to apply, where, how often and for how long. If a product is too greasy, time-consuming or difficult to use, say so. Formulation is part of treatment effectiveness because an unusable plan is hard to follow.

Using too little can reduce effectiveness, while overusing potent medicines can increase side effects. Clinicians and pharmacists may use fingertip-unit guidance to explain approximate quantities for different body areas. Ask for a practical demonstration if the written instructions are unclear.

How much topical medicine to use

The active medicine is only part of a topical treatment. The vehicle affects how greasy it feels, how easily it spreads and whether it works through hair. Ointments are often useful for dry, thick plaques, while lighter formulations may be easier on the scalp or during the day.

Using topicals as part of a broader plan

Topical medicines may be the main treatment for limited psoriasis or one part of a larger plan for people using phototherapy or systemic medicines. Even when a systemic treatment controls most disease, a topical may sometimes be used for a persistent small area. The combination and schedule should be clear so that treatment does not become unnecessarily complicated.

A cream and an ointment

Creams contain more water and usually feel lighter, while ointments are greasier and more occlusive. Ointments can suit thick, dry plaques, whereas creams, gels, foams or solutions may be easier on hairy areas or during the day. The vehicle affects how a product feels and where it is practical to use, but the active ingredient determines its main medical effect.

Topical corticosteroids used safely

Topical corticosteroids come in different potencies. The appropriate strength depends on the body site, plaque thickness and treatment plan. Thin skin on the face and folds generally requires more caution than thick plaques on elbows or knees. Clear instructions should cover where to apply the medicine, how often, for how long and what to do once the skin improves.

The most useful way to think about psoriasis cream is to separate what is well established from what varies between people. Psoriasis can change over time, and symptoms, body sites, treatment response and daily impact are not identical from one person to another. Use educational information to understand the terms you encounter and to prepare specific questions. If the pattern changes, symptoms become difficult to manage, or you are unsure whether a new symptom is related to psoriasis, a healthcare professional can assess it in the context of your history and current treatment.

Vitamin d analogues used for

Topical vitamin D analogues help regulate skin-cell growth and inflammation and are established treatments for plaque psoriasis. They may be used alone in some situations or combined with a topical corticosteroid. Combination formulations can simplify treatment. They are medicines rather than nutritional supplements, so their role should not be confused with taking oral vitamin D.

Calcineurin inhibitors used for

Topical calcineurin inhibitors are not standard plaque treatments for thick skin, but clinicians may use them off-label on sensitive sites such as the face or skin folds where prolonged potent corticosteroid use is less suitable. They can cause temporary burning or warmth after application. Whether they are appropriate depends on the diagnosis, body site and individual treatment plan.

How much topical treatment should be applied?

Instructions such as 'use sparingly' can be difficult to interpret. Fingertip units are one method clinicians use to describe how much cream or ointment covers a particular area. The correct amount depends on the product and body site. If a tube lasts far longer or runs out much faster than expected, asking a pharmacist or clinician to demonstrate application can be more useful than guessing.

How mama health can support you

mama health is a free app for everything your condition asks of you, grounded in medical science and the experience of others, so you do not have to figure it out alone.

Use mama health to understand your labs in simple terms, upload and organise your health documents, find local care and specialists, and ask questions with answers grounded in medical science. You can also learn from the experiences of other people living with psoriasis, giving you practical context alongside evidence-based information.

Frequently asked questions

The answers below address common practical questions about this topic. They are intended to explain general evidence and terminology. Individual symptoms can have more than one cause, and the relevance of a treatment, test or risk factor depends on the wider health context.