Body Oil vs Body Lotion — Which Moisturises Better and When to Use Each?

Two approaches to moisturising body skin

The skin on your body is exposed to temperature changes, detergents in cleansing products, hard water and weather conditions — all of which weaken its natural barrier. Regular moisturising is one of the most important parts of skincare. The two most popular body care products — oil and lotion — work in completely different ways, however, and are designed for different needs.

How does body lotion work?

A lotion (also called body milk, body cream or simply lotion, depending on its texture) is most often an oil-in-water or water-in-oil emulsion. It contains both hydrophilic ingredients (e.g. glycerin, urea, hyaluronic acid) and lipophilic ones (oils, plant butters, cetyl alcohol). This emulsion delivers all-round benefits:

• Humectancy — hygroscopic ingredients (glycerin, urea, sodium lactate) draw water into the epidermis
• Emollience — lipids soften and smooth the surface of the skin
• Occlusion — a fatty layer limits water loss through the skin (TEWL)

Lotion absorbs quickly (especially lightweight formulas), leaves no greasy film and can be applied straight after showering. It is a convenient product for a daily routine.

It is worth checking the formula of your lotion in the body lotions category — paying particular attention to the presence of occlusive substances (emollients) and humectants.

How does body oil work?

Body oil is a product that is entirely or almost entirely lipophilic — its base consists of plant oils, sometimes with the addition of essential oils, fat-soluble vitamins (A, E) and antioxidants. It contains no water, so technically it is not an emulsion and requires no emulsifiers or preservatives (although the latter may be added in small amounts where hydrophilic ingredients are present).

The way an oil works is based primarily on:

• Occlusion — a layer of oil on the skin significantly reduces water evaporation, keeping the skin hydrated for a long time
• Emollience — oils replenish the lipids between corneocytes, smoothing and softening the skin
• Nourishment — omega-3, omega-6 and omega-9 fatty acids support the integrity of the skin barrier

An oil does not moisturise the skin on its own in the sense of supplying water — it works mainly by preventing water loss. That is why it is best applied to slightly damp skin after showering, or over a lotion. You will find oil-based products in the body oils category.

Body oil vs lotion — the key differences

• Base: lotion — water + oil emulsion; oil — plant oil(s)
• Active moisturising: lotion — yes (humectants draw in water); oil — no (it retains water but does not supply it)
• Occlusion: oil — stronger; lotion — moderate (depending on the formula)
• Absorption: lotion — fast; oil — slower, with a possible greasy feel
• Duration of effect: oil maintains a moisturising barrier for longer
• Texture: lotion — light to medium-rich; oil — fluid, oily

When to choose a lotion and when an oil?

Choose a lotion when:

• Your skin is normally dry or combination and you need daily moisturising
• You value fast absorption and no greasy feel
• You apply the product in the morning, before getting dressed
• You are looking for a product with specific active ingredients (urea, ceramides, vitamin E)

Choose an oil when:

• Your skin is very dry, flaky or atopic
• You apply the product in the evening or after a bath
• You want a long-lasting occlusive effect overnight
• You are looking for a product with a natural base and a minimal number of ingredients

Combining both products — the optimal result

Dermatologists and cosmetologists often recommend combining both types of product. The optimal order: first apply a lotion to damp skin (it supplies humectants and emollients), then an oil (sealing in an occlusive layer that keeps the water inside). This strategy is particularly beneficial for dry and atopic skin and during the winter months.

When making your choice, pay attention to the INCI list of both products. A good lotion for dry skin should contain at least one humectant (glycerin, urea, hyaluronic acid), one emollient (shea butter, cetearyl alcohol, an oil) and a limited number of fragrance substances and potential allergens.

You will find a full list of ingredients and their functions in our INCI ingredient encyclopaedia.

What to watch out for when buying?

• Fragrance substances — both synthetic ones and natural essential oils can cause sensitisation. For sensitive skin, look for parfum-free products
• Alcohols — ethyl alcohol (ethanol, alcohol denat.) at higher concentrations dries out the skin and can compromise the epidermal barrier
• Silicones — they improve smoothness and absorption and are safe, but on very dry skin they will not replace ceramides and oils
• Natural/organic certifications (COSMOS, Natrue) — they confirm limited use of synthetic additives, but are not in themselves automatic proof of effectiveness

Check the ingredients in your cosmetic →