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iS Clinical Cleansing Complex clear gel cleanser bottle with pump

Cleansing Complex

Universal Daily Cleanser

clinical Fragrance Free Paraben Free Pregnancy Safe Not Cruelty Free
82/100
DermFND score
Ingredient quality
8.6
Value for money
8.4
Suitability breadth
6.4
Irritation risk
Low
$49.00
6 fl oz · other sizes available
4.8
5,000 customer ratings (Amazon)
Data confidence
High confidence
5,000+ aggregated reviews · INCI confirmed
PAO
12 mo.
after opening
Alex Brufsky
Alex Brufsky Founder & Editor
Analysis by DermFND · Last verified May 2026 · Methodology
Verified reviewer
01 · Quick read

Pros & cons.

What we love
  • +Ultra-gentle sulfate-free surfactant system cleanses effectively without stripping natural oils
  • +Dual botanical acids (willow bark BHA, sugar cane AHA) provide maintenance exfoliation during cleansing
  • +Isolated centella actives and chamomile soothe skin during and after washing
  • +Truly universal — works for oily, dry, sensitive, combination, and normal skin types
  • +Fragrance-free and essential oil-free — genuinely clean formulation for reactive skin
  • +Extremely concentrated — a dime-sized amount is sufficient, making the bottle last 3-4 months
  • +Over 1,000 Dermstore reviews at 4.8 stars demonstrates exceptional real-world consistency
What to know
  • Contains DMDM hydantoin, a formaldehyde-releasing preservative that concerns some consumers
  • Low-lather formula feels unfamiliar and may seem ineffective to first-time users
  • At $49 for 6 oz, it is premium-priced for a cleanser
  • Not sufficient alone for removing heavy or waterproof makeup
  • Exfoliating acid benefits are limited by short wash-off contact time
02 · Editorial analysis

The full review.

About iS Clinical Cleansing Complex

Most cleansers are just a prelude. They remove the day to prepare a blank canvas for other products. The iS Clinical Cleansing Complex does more. It uses willow bark salicylic acid, sugar cane glycolic acid, green tea antioxidants, and isolated centella actives to turn 60 seconds of face-washing into productive treatment time. This approach puts it in more dermatologist offices than likely any other cleanser on the market.

Texture

The surfactant base defines the experience. Disodium laureth sulfosuccinate and cocamidopropyl betaine are among the gentlest cleansing agents available; they strip much less than the sodium lauryl sulfate and sodium laureth sulfate found in most drugstore face washes. The trade-off is minimal foam. This gel produces almost no lather, which feels wrong if you expect the suds of conventional cleansers. It takes a few washes to trust that the clear gel gliding across your face works. It does.

Reality

The active ingredient strategy follows iS Clinical’s treatment philosophy. Willow bark extract provides natural salicylic acid—the oil-soluble BHA that penetrates pores to dissolve the sebum-and-dead-cell cocktail that forms comedones. Sugar cane extract adds glycolic acid for surface-level exfoliation. In a wash-off format with limited contact time, neither acid is as intense as a leave-on treatment. But the insight is this: at the mild concentrations used twice daily, the cumulative effect is significant. Pores stay clearer, texture smooths, and skin clarity improves because the work happens during a step you already take.

Works for

The soothing complex makes this cleanser universally tolerable. Asiaticoside and madecassic acid—two isolated triterpene compounds from centella asiatica—provide targeted anti-inflammatory action. Chamomile flower extract adds bisabolol to calm the skin. These ingredients offset potential irritation from the exfoliating acids. This is why sensitive skin types and rosacea sufferers often tolerate this cleanser well despite the BHA and AHA.

Works for

Green tea leaf extract and vitamins A, C, and E (as retinyl palmitate, ascorbyl palmitate, and tocopheryl acetate) provide antioxidant protection during cleansing. In a wash-off product, the practical impact of these antioxidants is lower than in leave-on formulas, but they contribute to the skin-friendly profile and do no harm.

How to Use

In daily use, the cleanser is reliably simple. Pump a dime-sized amount, massage onto damp skin for 30 to 60 seconds, and rinse. Your face feels clean, smooth, and comfortable. No tightness. No stripping. No residue. No film. Just clean, calm skin. It removes daily sunscreen and light makeup effectively, though heavy or waterproof makeup may require a separate first-cleanse step.

Common Complaints

Informed consumers may notice DMDM hydantoin—a formaldehyde-releasing preservative that is controversial in clean beauty. At cosmetic concentrations, the formaldehyde release stays within established safety limits. Regulatory bodies like the FDA and EU Scientific Committee on Consumer Safety deem it safe. However, if you avoid formaldehyde donors entirely, this is a meaningful consideration.

Packaging

At $49 for 6 ounces, the price is above drugstore cleansers but below many prestige options. The efficiency exceeds the sticker price: the concentrated gel requires little product per wash. Most users find a bottle lasts three to four months with twice-daily use. A 2-ounce travel size is available to test before buying the full size.

Best for

The Cleansing Complex is one of the professional skincare channel’s most recommended cleansers because it does more during a step where most products do nothing. It works for oily, acne-prone skin that needs daily mild exfoliation, sensitive skin that needs gentle cleansing, or normal skin that wants to feel clean without compromise.

Formula


03 · INCI · disclosed by brand

Ingredient analysis.

Ingredient Role Evidence Flag
Provides gentle BHA exfoliation during the cleansing step, penetrating into pores to dissolve sebum and dead cell buildup. In a cleanser format, the short contact time means this delivers maintenance-level exfoliation rather than intensive treatment, keeping pores clear with daily use while the sugar cane extract complements with surface-level AHA activity.
Well Established
OK
Delivers botanical glycolic acid for mild surface exfoliation during the cleansing step. Paired with the willow bark's salicylic acid, it creates the same AHA/BHA dual-exfoliation philosophy found in iS Clinical's Active Serum, but at gentler concentrations appropriate for a daily-use wash-off product.
Well Established
OK
Two isolated centella actives — asiaticoside and madecassic acid — provide anti-inflammatory and barrier-supporting benefits that counterbalance the exfoliation from the willow bark and sugar cane. This soothing action prevents the cleanser from causing the post-wash tightness or irritation that many exfoliating cleansers produce.
Well Established
OK
Provides additional anti-inflammatory and calming activity through bisabolol and chamazulene compounds. Works alongside the centella actives to make this cleanser suitable for sensitive and rosacea-prone skin despite containing exfoliating acids.
Well Established
OK
Green tea polyphenols deliver antioxidant protection during the cleansing step, helping to neutralize environmental free radicals while the surfactants remove makeup, sunscreen, and debris. The EGCG in green tea also has antimicrobial properties that support acne-prone skin.
Well Established
OK
Full INCI list

Water, Disodium Laureth Sulfosuccinate, Cocamidopropyl Betaine, PEG-30 Glyceryl Cocoate, Glycerin, Propylene Glycol, Carboxymethylcellulose, Salix Alba (Willow) Bark Extract, Saccharum Officinarum (Sugar Cane) Extract, Camellia Oleifera Leaf Extract, Chamomilla Recutita (Matricaria) Flower Extract, Asiaticoside, Madecassic Acid, Ascorbyl Palmitate, Phospholipids, Tocopheryl Acetate, Retinyl Palmitate, DMDM Hydantoin, Iodopropynyl Butylcarbamate

Product flags
✓ Fragrance Free ✓ Alcohol Free ✓ Oil Free ✓ Silicone Free ✓ Paraben Free ✓ Sulfate Free ✗ Cruelty Free ✗ Vegan ✗ Fungal Acne Safe
Potential irritants
DMDM HydantoinCommon AllergensDMDM HydantoinIodopropynyl Butylcarbamate
04 · Compatibility

Skin match.

Pairs well with
vitamin C serumsretinol treatmentsexfoliating serumsmoisturizers
Skin types
Best for
oilycombinationnormal
Works for
drysensitive
05 · Evidence

The science.

The Science

The surfactant system in this cleanser uses a best-in-class approach for skin-friendly cleansing. Disodium laureth sulfosuccinate is a mild anionic surfactant that removes sebum and debris without disrupting the skin's lipid barrier. Research in the International Journal of Cosmetic Science (2006) shows surfactant mildness correlates with barrier preservation; sulfosuccinate-based systems outperform traditional sulfate surfactants at maintaining skin integrity.

The exfoliating botanical duo uses the same acid philosophy as iS Clinical's Active Serum at lower concentrations. While salicylic acid from willow bark extract has a short contact time in a wash-off format, research in the Journal of the European Academy of Dermatology and Venereology shows even brief BHA exposure at low concentrations provides cumulative benefits for comedonal acne with consistent use. The glycolic acid from sugar cane aids surface desquamation, which improves skin texture and brightness over weeks of twice-daily use.

Asiaticoside and madecassic acid are two of the four principal triterpene actives from Centella asiatica. Research in Phytomedicine (2010) established their roles in stimulating collagen synthesis and providing anti-inflammatory activity by inhibiting iNOS and COX-2 pathways. In a cleanser, these mitigate irritation from the exfoliating acids and maintain tolerability across skin types.

Chamomilla recutita (matricaria) flower extract provides alpha-bisabolol, a monocyclic sesquiterpene alcohol with anti-inflammatory and skin-soothing properties. Combined with the centella actives, this creates a redundant anti-inflammatory system that makes the cleanser suitable for sensitive and rosacea-prone skin.

Dermatologist Perspective

Dermatologists rank the iS Clinical Cleansing Complex among the best professional cleansers, especially for patients with acne, rosacea, or post-procedure sensitivity. Board-certified dermatologists note the sulfate-free surfactant system preserves the skin barrier during cleansing—a critical factor for patients on active treatment regimens (retinoids, acids) that already stress the barrier. The salicylic acid and glycolic acid at cleanser-appropriate concentrations supplement active treatment without adding irritation. Dermatologists frequently prescribe this as a universal cleanser, as oily-acne patients and dry-sensitive patients can both use it.

06 · Where it fits

Where it fits in your routine.

AM routine
01 iS Clinical Cleansing Complex This product
02 Vitamin C serum
03 Moisturizer
04 SPF 30+ sunscreen
PM routine
01 iS Clinical Cleansing Complex This product
02 Treatment serum
03 Moisturizer or night cream
How to use

Wet your face with lukewarm water. Put a dime-sized amount of gel on your fingertips. Massage it in circular motions for 30-60 seconds, focusing on the nose, chin, and forehead. Rinse well with lukewarm water. Use morning and evening. For heavy makeup, double-cleanse: use an oil-based cleanser first, then the Cleansing Complex. You can also use it as a shaving gel for a gentler, less irritating shave.

Value assessment

At $49 for 6 oz, the Cleansing Complex is a premium face wash. The math changes in practice: the concentrated gel needs only a dime-sized amount per wash, making one bottle last 3-4 months with twice-daily use — about $12-16 per month. A 2 oz travel size lets you trial it before buying the full bottle. The Cleansing Complex provides mild daily exfoliation, antioxidant protection, and anti-inflammatory soothing during a routine step, making the value sound. Because it works for almost any skin type, the Cleansing Complex is rarely wasted — it is one of the few premium cleansers nearly everyone in a household can use.

Who should buy

This cleanser works for almost everyone. Oily and acne-prone skin benefits from daily BHA/AHA maintenance, sensitive skin uses the gentle surfactants and centella soothing, and normal skin gets an elevated daily wash. It is ideal for those on active treatment regimens (retinol, prescription actives) who need a cleanser that supports the skin barrier instead of stressing it.

Who should skip

Users who strictly avoid formaldehyde-releasing preservatives (DMDM hydantoin) should look elsewhere. Those who prefer a foamy, high-lather cleanse may find the low-foam texture unsatisfying, even if it works. At $49, budget shoppers may struggle to justify the face wash, though the per-use economics work well.

07 · The fine print

Product details.

Texture

This clear, lightweight gel glides smoothly onto skin. It produces minimal lather; this low-foam formula is intentional and does not mean it cleanses less effectively.

Scent

None — completely fragrance-free and essential oil-free

Packaging

iS Clinical uses clean white branding in a pump bottle. It comes in 2 oz (travel) and 6 oz sizes.

First use

This gel lacks foam and does not lather like conventional cleansers, which may feel ineffective at first. Trust the formula: the gentle surfactants remove oil, makeup, and debris. Skin feels clean and refreshed after rinsing without tightness or dryness. The exfoliating ingredients do not cause tingling at cleanser concentrations.

How long it lasts

3-4 months with twice-daily use (a dime-sized amount per wash)

Period after opening

12 months

Best season

All Year

Finish
lightweightnon-greasynatural
08 · Behind the formula

The backstory.

The Cleansing Complex reflects iS Clinical's belief that skincare begins at the cleansing step, not after it. Bryan Johns formulated it to deliver active ingredients — exfoliating acids, antioxidants, and anti-inflammatory botanicals — in a wash-off format that most brands reserve for leave-on treatments. The idea was that if a cleanser touches the skin twice a day for 60 seconds each time, those 120 daily seconds should be doing something beyond just removing dirt.

About iS Clinical

Established Brand (5–20 years)

iS Clinical was co-founded in 2002 by biochemist Bryan Johns and Alec Call. The brand is rooted in pharmaceutical-grade formulation and is distributed through dermatologists, plastic surgeons, and medical spas in over 125 countries.

Brand founded: 2002
09 · Setting the record straight

Common myths.

Myth

A good cleanser needs to foam heavily to clean properly.

Reality

Foam is a cosmetic effect of surfactants, not a measure of cleansing efficacy. This cleanser uses disodium laureth sulfosuccinate and cocamidopropyl betaine. These gentle surfactants dissolve oil, makeup, and debris without the stripping effect of high-foam sulfate surfactants. The low lather is a feature, not a limitation.

Myth

Active ingredients in a wash-off cleanser rinse away before they can work.

Reality

Even 30-60 seconds of exposure to exfoliating acids like salicylic and glycolic acid provides maintenance-level exfoliation with daily use, despite limited contact time. Using mild exfoliation twice daily clears pores and smooths texture over time.

10 · Common questions

FAQ.

Why doesn't iS Clinical Cleansing Complex lather much?

The low-foam formula is intentional. It uses disodium laureth sulfosuccinate and cocamidopropyl betaine—gentle, sulfate-free surfactants that remove oil and makeup without heavy lather. Foam is a cosmetic effect, not a measure of cleansing power. The cleanser works just as well with minimal suds.

Can I use iS Clinical Cleansing Complex with the Active Serum?

Yes — they work together. The Cleansing Complex provides gentle daily exfoliation at low concentrations, prepping the skin for the Active Serum's intensive acid treatment. Use the Cleansing Complex morning and evening, then apply the Active Serum in the evening after cleansing.

Does iS Clinical Cleansing Complex remove makeup?

It removes light to moderate makeup and daily sunscreen. For heavy, waterproof, or long-wear makeup, use an oil-based cleanser first, then use the Cleansing Complex as a second step to clear residue and treat the skin.

Is iS Clinical Cleansing Complex safe for sensitive skin?

Yes — chamomile and centella asiatica extracts soothe and reduce inflammation, so sensitive skin tolerates this cleanser well. The sulfate-free surfactant system is one of the gentlest available. However, people with extreme sensitivity to formaldehyde-releasing preservatives should note the DMDM hydantoin content.

11 · Real-world signal

What the community says.

Common praise

"Cleanses thoroughly without stripping or drying the skin"

"Only a small amount needed — bottle lasts a long time"

"Suitable for sensitive and acne-prone skin alike"

"Leaves skin feeling refreshed and soft, never tight"

"Works excellently as a gentle daily exfoliating cleanser"

Common complaints

"Low lather makes some users feel it's not cleaning effectively"

"Premium price for a cleanser ($49 for 6 oz)"

"Contains DMDM hydantoin which concerns some ingredient-conscious consumers"

"Not effective for removing heavy or waterproof makeup alone"

Notable endorsements
Dermstore bestseller with 1,000+ reviewsWidely recommended by dermatologists and aestheticiansFeatured in multiple professional skincare protocols
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