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ESK ESK Hydroxy Cleanser, 150ml pump bottle

150ml full size, 15ml travel size

ESK · Cleanser

Hydroxy Cleanser

ESK Hydroxy Cleanser · a salicylic acid cleanser with glycolic and lactic acid

A soap-free, lightly foaming face wash for oily and acne-prone skin that lifts excess oil and build-up without leaving skin tight, and doubles as a body wash for the chest and back. Built on salicylic acid 0.5%, glycolic acid 2% and lactic acid 1% at pH 4.5 to 5, and suitable for all skin tones.

  • Salicylic acid is oil-soluble, which is why it is the usual acid in cleansers for oily skin; glycolic and lactic acid give a mild surface exfoliation.
  • Soap-free and sulphate-free at pH 4.5 to 5, and non-comedogenic. Clean, not tight.
  • Face, neck, chest and back. Morning, night or both.
  • Not for very sensitive or rosacea-prone skin. Choose Calming Cleanse instead.
£35.00 150ml
✓ Cruelty free✓ Vegan✓ Soap free

New to acids? Try it first for £18

The 15ml travel size lasts around 3 to 4 weeks, long enough to see how your skin takes to it before you commit to the full size.

Free UK delivery over £65 · Tracked £3.49 · Sent tracked, 2 to 4 working days

Clinic rating on Google: 5.0
Good to know
Contains essential oils (rose, lavender, geranium). Patch test first if you react to fragrance.
Stockist
Melatone Skin Clinic is an authorised ESK stockist. Genuine product with full traceability.

If your skin reacts, drop to once a day, and pause it if stinging or redness carries on. Stripped, irritated skin tends to break out more, so we would rather adjust your routine than have you push through.

Not sure if this is right for your skin? Message us on WhatsApp or book a skin assessment and we will confirm the right routine first.

Who this cleanser is for, honestly

Most people come to it with skin that looks shiny by lunchtime, blackheads across the nose, or breakouts along the jaw, chest or back. A cleanser is on your skin for about a minute, so its job is realistic: keep oil and build-up down every day, without stripping, so the leave-on steps can do the heavier work.

What it will not do on its own is clear moderate or severe acne, deep painful spots, or scarring. If spots are painful, leaving marks or scars, or not improving after about three months of a consistent routine, see your GP or pharmacist, or book a skin assessment. For established scarring, see acne scar treatment.

On deeper skin tones the dark mark a spot leaves behind often lasts longer than the spot. Irritation makes that worse, which is why a cleanser that cleans without stripping, used without scrubbing, is part of the point rather than a compromise.

Quick facts

What it is
A soap-free AHA and BHA cleanser that foams lightly.
Sizes
150ml (£35.00, around 3 to 4 months) and 15ml travel size (£18.00, around 3 to 4 weeks).
Best for
Oily, combination and acne-prone skin, blackheads, and breakouts on the chest and back.
Skin tones
Suitable for all skin tones, including deeper skin tones (Fitzpatrick V to VI).
Key ingredients
Salicylic acid 0.5%, glycolic acid 2%, lactic acid 1%, soap-free cleansers, witch hazel water, aloe.
pH
4.5 to 5.0, close to the skin's own.
How to use
2 to 3 pumps on wet skin, lather, rinse. Morning, night or both.
Free from
Soap, sulphates and parabens. Non-comedogenic.
Daily SPF
Recommended. AHAs can increase sun sensitivity.
Not suitable for
Very sensitive or rosacea-prone skin. In pregnancy or breastfeeding, check with your midwife, GP or pharmacist first.

Where it fits in a breakout routine

Morning: Hydroxy Cleanser, then B Calm (niacinamide and salicylic acid to manage oil), then a daily SPF such as Zinc Shade.

Night: Hydroxy Cleanser, then B Calm. When your skin is settled, a retinal such as Ultimate A+ can be added a few nights a week (not in pregnancy).

For a single early spot, Spotless microneedle patches go on overnight. If your skin is sensitive rather than oily, start with Calming Cleanse instead.

The detail

Ingredients, and what each one does
Salicylic acid (BHA), 0.5%
An oil-soluble hydroxy acid, which is why it is the usual acid in cleansers for oily skin. Widely studied.
Glycolic acid (AHA), 2%
The smallest AHA. Loosens the bonds between dead surface cells so they rinse away, for smoother-feeling skin. Can increase sun sensitivity. Widely studied.
Lactic acid (AHA), 1%
A slightly larger AHA than glycolic, with a gentler surface exfoliation and some hydrating action. Widely studied.
Sodium lauroyl methyl isethionate, coco-glucoside
Mild, soap-free cleansing agents (syndets). They lift oil and dirt without the high pH of soap, which is what makes skin feel tight.
Witch hazel water, aloe, glycerin
Witch hazel water is a traditional skin conditioner; aloe and glycerin help the skin hold water so it does not feel stripped.
Essential oils
Rose, lavender, geranium and lemon myrtle. These carry the fragrance allergens linalool, citronellol, citral and geraniol, listed on the label.

Acid strengths as printed on the ESK pack; pH 4.5 to 5.0 as published by ESK. Descriptions are about the look and feel of skin, not a medical outcome.

Full ingredients (INCI): Aqua, Sodium Lauroyl Methyl Isethionate, Coco-Glucoside, Glycolic Acid, Hamamelis Virginiana Water, Lactic Acid, PEG-150 Distearate, Cucumis Sativus Fruit Extract, Salicylic Acid, Aloe Barbadensis Leaf Juice, Glycerin, Combretum Farinosum Flower Nectar, Disodium EDTA, Euterpe Oleracea Fruit Extract, Dehydroacetic Acid, Rosa Damascena Flower Oil, Benzyl Alcohol, Polyquaternium-10, Linalool, Lavandula Angustifolia Oil, Citronellol, Citral, Geraniol, Pelargonium Graveolens Flower Oil, Benzoic Acid, Backhousia Citriodora Leaf Oil, Sodium Acetate, Sodium Chloride, Isopropyl Alcohol.

How to use it

Face and neck

  1. Wet your face with warm water.
  2. Put 2 to 3 pumps on your fingertips.
  3. Massage gently into a light lather over the face and neck. Do not scrub.
  4. Rinse thoroughly with warm water and pat dry.
  5. Follow with your moisturiser, and SPF in the morning.

Chest and back

Use it as a body wash in the shower: massage over the area and rinse well.

How often

Morning, night or both. New to acids? Start once a day for the first week, then build to twice a day if your skin is comfortable. Washing more than twice a day does not help oily skin and can irritate it.

Sun

Glycolic and lactic acid can make skin more sensitive to the sun, so wear SPF every day. See Zinc Shade.

What to expect, and when
First wash
Skin feels clean without the tight, squeaky feeling. A brief mild tingle can happen; lasting stinging is a sign to stop.
First 2 weeks
Most people notice skin feeling less greasy through the day.
6 to 8 weeks
The earliest point to judge changes in blackheads and breakouts. These come from the whole routine, not the cleanser alone.
3 months
If nothing has changed, reassess the routine with us rather than buying another bottle and hoping. Message the clinic.
Is it right for my skin
Oily and combination skin
Yes. This is who it is made for.
Acne-prone and congested skin
Yes, as the cleansing step of a wider routine.
Teenage skin and men
Yes. Both are named in ESK's own positioning.
Deeper skin tones (Fitzpatrick V to VI)
Yes. Introduce gradually and do not scrub: on deeper skin, irritation can leave marks that outlast the spot.
Dry skin
Use it once a day at most, with a good moisturiser, or choose Calming Cleanse.
Very sensitive skin, rosacea, eczema
No. Choose Calming Cleanse or Soothe & Melt.
Fragrance-sensitive skin
Patch test first: it contains essential oils.
Pregnancy or breastfeeding
Ask your midwife, GP or pharmacist first.
On prescription acne treatment
Ask your prescriber first.
Using it with what you already own
Retinol or retinal
Yes, for most people, because the cleanser is rinsed off first. If skin gets dry or sore, use Hydroxy in the morning only and a gentle cleanser on retinoid nights.
Vitamin C
Yes. Cleanse, then apply your vitamin C serum.
Niacinamide and salicylic moisturisers
Yes. B Calm is the usual next step for oily, breakout-prone skin.
Benzoyl peroxide
Both can be drying. Add one product at a time and cut back if skin gets flaky.
Exfoliating serums and peels
Watch for irritation, and do not start a new exfoliant in the same week. After an in-clinic peel, microneedling or laser, pause the cleanser for as long as your practitioner advises.
Scrubs and cleansing brushes
Skip them. The acids already exfoliate.

Questions we actually get asked

What is ESK Hydroxy Cleanser?

A soap-free, lightly foaming cleanser for oily and acne-prone skin. It combines salicylic acid (a BHA) with glycolic and lactic acid (AHAs) at pH 4.5 to 5, and can be used on the face, neck, chest and back.

What is a salicylic acid cleanser?

A wash-off cleanser that contains salicylic acid, a beta hydroxy acid. Salicylic acid is oil-soluble, which is why it is the usual acid in cleansers for oily, congested and blemish-prone skin. Because a cleanser is rinsed off within a minute or so, it is a gentle way to bring an acid into a routine.

Is Hydroxy Cleanser good for acne-prone skin?

It is made for oily and acne-prone skin. ESK positions it for oily, acne-prone and teenage skin. A cleanser is a supporting step: it keeps oil and build-up down and leaves skin ready for the leave-on products that do the heavier work. Painful, widespread or scarring acne needs more than a cleanser, so speak to your GP or pharmacist, or book a skin assessment.

What is the best cleanser for acne-prone skin?

There is no single best one. The right cleanser is one your skin tolerates twice a day, that does not leave it tight or stinging, and that fits the rest of your routine. For oily and acne-prone skin a soap-free cleanser with salicylic acid is a sensible starting point. For very sensitive or rosacea-prone skin, a non-acid cleanser such as Calming Cleanse is usually the better choice.

Can I use a salicylic acid cleanser with retinol?

Yes, for most people. The cleanser is rinsed off before the retinol or retinal goes on, so the two are not left on the skin together. If your skin becomes dry or irritated, use Hydroxy Cleanser in the morning only and a gentle cleanser on your retinoid nights until your skin settles.

Can I use Hydroxy Cleanser every day?

Yes. ESK's instructions are morning, night or both. If you are new to acids, start once a day for the first week, then move to twice a day if your skin is comfortable.

How do I use a salicylic acid cleanser?

Wet your face with warm water, massage 2 to 3 pumps into a light lather over the face and neck, then rinse thoroughly. Do not scrub. Pat dry and follow with moisturiser, and with SPF in the morning.

Can a cleanser make breakouts worse?

It can if it strips or irritates the skin, if you scrub, or if you wash more than twice a day, because irritated skin can break out more. A true purge is more typical of leave-on retinoids and stronger acids than of a wash-off cleanser. If you get stinging, redness, or new spots in areas where you do not usually break out, stop and message us.

Is it normal for it to tingle?

A mild tingle for a few seconds can happen with acid cleansers, especially on freshly shaved or dry skin. Burning, stinging that lasts, or redness afterwards is not normal. Rinse it off, pause, and switch to a gentler cleanser.

Can I use it on my chest and back?

Yes. ESK says it can be used as a body wash on the chest and back. Massage it over the area in the shower and rinse well.

Is Hydroxy Cleanser good for blackheads?

It is a good fit for skin that gets blackheads, because salicylic acid is oil-soluble and the AHAs give a mild surface exfoliation. Give it several weeks of regular use as part of your routine before judging how your skin looks. Squeezing tends to leave marks, particularly on deeper skin tones.

Is it a good cleanser for oily skin?

Yes. ESK lists normal to oily skin first. It is soap-free and sulphate-free, so it removes excess oil without the squeaky, stripped feeling that can leave oily skin feeling tight.

Is Hydroxy Cleanser suitable for men?

Yes. ESK's own positioning names men alongside oily, acne-prone and teenage skin. If you shave, wait until any shaving nicks have settled, and wash rather than scrub over the beard area.

Can teenagers use it?

Yes. ESK positions it for teenage and young skin. It is a simple first step for a teenager with oily skin or breakouts. A teenager on prescription acne treatment should check with their prescriber first.

Is it suitable for deeper skin tones?

Yes. It is suitable for all skin tones, including deeper skin tones (Fitzpatrick V to VI). On deeper skin, irritation can leave dark marks that last longer than the spot, so introduce it gradually, do not scrub, and stop if it stings.

Will it fade the dark marks left by spots?

That is not its job. A cleanser is on the skin too briefly to do much for marks. For the look of post-inflammatory marks, leave-on steps and daily SPF matter more. See the Golden Pigmentation Duo, or book a skin assessment if marks are your main concern.

Is it suitable for sensitive skin or rosacea?

Not usually. ESK says it may not be tolerated by very sensitive skin, and AHAs can irritate rosacea-prone skin. ESK suggests Calming Cleanse or Soothe & Melt Cleansing Balm instead.

Can I use it in pregnancy or breastfeeding?

ESK does not publish pregnancy guidance for this cleanser. Salicylic acid and AHAs are ingredients many people are advised to check before using while pregnant or breastfeeding, so ask your midwife, GP or pharmacist first.

Can I use it alongside prescription acne treatment?

Ask your prescriber first. Treatments such as isotretinoin, tretinoin, adapalene and benzoyl peroxide often leave skin dry and sensitive, and a non-acid cleanser may be advised while you are on them.

How is it different from Calming Cleanse?

Hydroxy Cleanser contains AHAs and a BHA, which give it a mild exfoliating action on top of cleansing, and it foams lightly. Calming Cleanse is a non-foaming, acid-free cream cleanser for sensitive skin, including eczema and rosacea.

How does it compare with a pharmacy salicylic acid face wash?

Pharmacy salicylic acid washes vary a lot in strength, base and pH, so compare the label: the acids, the cleansing agents, and whether it contains soap or sulphates. Hydroxy Cleanser combines salicylic acid 0.5% with glycolic acid 2% and lactic acid 1% in a soap-free, sulphate-free base at pH 4.5 to 5. Which suits you depends on your skin, not on the strongest number.

Does it contain fragrance?

It contains natural essential oils, including rose, lavender and geranium, and lists the fragrance allergens linalool, citronellol, citral and geraniol. If you react to fragrance or essential oils, patch test first or choose another cleanser.

How long does a bottle last?

The 150ml full size lasts around 3 to 4 months. The 15ml travel size lasts around 3 to 4 weeks.

Is it cruelty free and vegan?

Yes. ESK states that Hydroxy Cleanser is cruelty free and vegan.

Is Melatone an authorised ESK stockist?

Yes. Melatone Skin Clinic is an authorised ESK stockist. Stock comes directly from ESK, so every item is genuine and traceable, and it is the same product we use in clinic.

Can someone help me work out whether this is right for me?

Yes. Message us on WhatsApp with a description of your skin, or book a skin assessment at the clinic in Battersea.

What is the delivery and returns position?

Tracked UK delivery is £3.49, or free over £65, and usually arrives in 2 to 4 working days. Sealed, unopened items can be returned within 60 days for a refund.

Buying it from Melatone

Melatone Skin Clinic is an authorised ESK stockist. Stock is bought directly from ESK, so every item is genuine and traceable, and it is the same product we use in clinic in Battersea, London.

If you are not sure this is the right cleanser for your skin, do not guess. Message us on WhatsApp or book a skin assessment, and we will suggest a routine before you buy.

Delivery

Tracked UK delivery, £3.49 or free over £65. It usually arrives within 2 to 4 working days, with tracking by email. The price you see is the price you pay, with any delivery charge shown in full before checkout.

Returns

Sealed, unopened items may be returned within 60 days of receiving your order for a refund. For hygiene reasons we cannot accept returns of skincare once any seal has been opened, unless faulty. Your statutory 14-day right to cancel is unaffected.

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