There are so many kinds of cleanser that it is hard to know what to pick. This guide follows the standard classification from cosmetic chemistry textbooks and walks through how six cleanser types work, the surfactants involved, and which skin type each one suits. Everything here is widely agreed on in cosmetic chemistry, and no specific brand or product is recommended.
The basic principle of cleansing — "like dissolves like"
The two kinds of grime on your skin come off in different ways.
- Oily grime is the greasy stuff like sebum, makeup and sunscreen. You dissolve it with oils or waxes. Similar substances dissolve each other easily, and that is the idea at work.
- Water-based grime is the more water-like buildup like sweat, dust and dead skin. You rinse it away with water and surfactants.
Double cleansing works on the same logic. Step one dissolves the oily grime, then step two finishes off the water-based grime.
1. Cleansing oil
How it works
A plant oil or mineral oil binds to the oily parts on your skin. That covers sebum, makeup and sunscreen. When it then meets water, an emulsifier turns it milky and it rinses away.
Pros and cons
- Lifts makeup and sunscreen well.
- Leaves little dryness, so it suits dry skin.
- Some oils such as coconut oil can clog follicles.
- It can leave a residue feel, so a foam or gel cleanser to finish helps.
Best for
It suits dry and combination skin and anyone who wears makeup. Oily skin can use it too, as long as the base is a less pore-clogging oil like jojoba or squalane.
2. Cleansing balm
How it works
It is a solid form of cleansing oil. Your body heat melts it into an oil in your hands, and from there it does the same job. The principle is identical to cleansing oil.
Pros and cons
- Easy to carry and no spills.
- The texture and feel tend to win people over.
- It needs a little time to melt in your hands.
- It usually costs more than an oil.
Best for
It suits dry and normal skin and works much like a cleansing oil.
3. Foam cleanser (Foam / Cream-to-Foam)
How it works
Anionic or amphoteric surfactants such as SLES or cocamidopropyl betaine build a lather that grabs water-based grime and light oily grime, then carries it away.
Pros and cons
- The finish feels clean, with a clear sense of being washed.
- Prices vary widely, so it is easy to use daily.
- Strong anionic surfactants can wear down the skin barrier.
- Dry skin may feel some tightness afterward.
Ingredients to watch
SLS (Sodium Lauryl Sulfate) and SLES (Sodium Laureth Sulfate) clean strongly but can be irritating, so they may be too much for sensitive skin. Amino-acid surfactants such as cocamidopropyl betaine or sodium cocoyl glutamate are gentler.
Best for
It suits oily and combination skin. For dry skin, a mildly acidic amino-acid foam is a better match.
4. Gel cleanser
How it works
It is similar to a foam but lathers less and comes as a clear gel. Most use mild surfactants and a water base for a light cleanse.
Pros and cons
- Feels light and leaves little residue.
- Suits skin that reacts to lather.
- It lifts makeup less effectively than a foam or oil.
Best for
It suits oily and acne-prone skin. It is good for a daily single cleanse if you do not wear makeup.
5. Cleansing water
How it works
It is a water base with mild surfactants and moisturizing ingredients. You soak a cotton pad and wipe it across the skin.
Pros and cons
- In theory you do not need to rinse with water afterward.
- It lets you cleanse quickly when you get home.
- It lifts makeup weakly, so it is not suited to sunscreen or waterproof makeup.
- The friction from the cotton may not suit sensitive skin.
Best for
It is good for light makeup, travel or a rush. A proper cleanse is best done separately.
6. Micellar water (Micellar Water)
How it works
It is a water solution scattered with micelles, the round clusters that surfactant molecules form. The water-loving outside and oil-loving inside of each micelle pull makeup and sebum together, and the cotton pad soaks them up.
Pros and cons
- It lifts oily grime better than plain cleansing water.
- It is gentle, so it suits sensitive skin.
- In theory you do not need to rinse with water afterward.
- It has limits with waterproof or high-cling sunscreen.
- There is cotton friction, so sensitive skin should take care.
Best for
It suits sensitive and dry skin and anyone wearing light makeup. It is also easy to carry on a flight or a trip.
