What is Zinc Chloride?

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• 

  Aestura

  Theracne 365 Hydro Active Toner

  It's registered in Korea as a functional cosmetic for brightening.

  Key: Zinc Chloride (#15 on the ingredient list), Niacinamide, Salicylic Acid

  Official (Korean)

  12 claims, summarized

  You can expect:

  less visible dark spots

  Only partly backed:

  better hydration · clearer-looking skin (amount unknown) · a smoother skin texture · less shine (amount unknown)

  Don't count on:

  less visible pores

  Tests passed:

  non-comedogenic

  See each claim

  claims, checked

  • #SuitableForAcneProneSkinbacked by evidence
  • Whiteningbacked by evidence
  • Acne-prone skin moisture supply + sebum and dead skin care!plausible, not tested
  • This toner controls excess sebum and gently exfoliates dead skin cells, aiding in improving your skin texture.plausible, not tested
  • No need for cotton pads with our no-rinse, non-sticky formula.plausible, not tested
  • Niacinamide Reduces the appearance of blemishesplausible, not tested
  • For acne-prone skin moisture clear tonerplausible, not tested
  • For acne-prone skin trouble*moisture clear tonerpartly backed
  • Hydro Active Toner for Acne-Prone Skin, Reduce Excess Oil, Improves The Skin Texture, Non-comedogenic Testedpartly backed
  • Zinc Provides soothing effect and controls excess sebumpartly backed
  • Dipotassium glycyrrhizate Activates skin turnover to help care for dead skin cellsoverstated
  • Changes in troubled skin after single use: Pore volume 44.0% decrease, Excess sebum amount 51.8% decrease, Dead skin cells 57.3% decreaseoverstated
• 

  AESTURA

  Atobarrier 365 Cleansing Foam

  Key: Zinc Chloride (#17 on the ingredient list), Caprylyl/Capryl Glucoside, Disodium Cocoamphodiacetate

  Brand store

  17 claims, summarized

  Only partly backed:

  firmer skin (amount unknown) · better barrier support (amount unknown)

  Don't count on:

  better hydration

  Tests passed:

  dermatologist check

  See each claim

  claims, checked

  • With a formula mixing nonionic and amino acid type cleansing ingredients and with the touchless foam it reduces friction, and with a skin irritation index of 0.00 it achieved low irritation cleansing.backed by evidence
  • With the low friction of the touchless foam, it helps reduce friction irritation throughout the whole washing process (In vitro friction test).plausible, not tested
  • Yes, as a touchless foaming cleanser it can be used without burden even as a substitute for a morning water wash.plausible, not tested
  • Weakly acidic foam cleanser, low irritation foam cleanserplausible, not tested
  • A barrier protection foaming cleanser whose dense foam cleanses everything from impurities inside pores to excess oil without burdenpartly backed
  • Aestura Atobarrier 365 Gentle Foaming Cleanser 150ml reduces friction with dense fine foam and cleanses sensitive skin comfortably. With a gentle formula that considers the barrier, it leaves moistness without tightness after washing, so it suits the daily washing of dry and delicate skin.partly backed
  • 98.1% cleansing of ultrafine dust, 88.9% cleansing of sunscreen and 97.9% cleansing of impurities inside pores were confirmed (on 30 adult women aged 20 to 39, test period 2025.07.21 to 2025.08.22, individual differences exist).partly backed
  • It recorded a skin irritation index of 0.00 and provides a low irritation feel in use.partly backed
  • Containing 3 barrier protection ingredients, Derma-On, panthenol and betaine, it contributes to firming up the skin barrier the more you use it.partly backed
  • It is designed for dry and sensitive skin and has completed tests such as human eye irritation, allergy, extreme sensitivity, dermatological and acne-prone skin suitability.partly backed
  • Dispense an appropriate amount of the product into your hand, rub it lightly on the face and body, then rinse clean. When showering, you may also use a soft bath sponge. After removing the water, apply plenty of moisturiser.partly backed
  • A touchless cleanser with a microbubble formula 6 times smaller than a poreoverstated
  • With microbubbles 6 times smaller than a pore (foaming bubble average 41 μm), smaller even than the fine pore average (50 μm), it cleanses even impurities inside pores that cannot be seen (some items are In vitro test results).overstated
  • 80.6% improvement of the damaged barrier and a 29.7% increase in moisture were observed immediately after use, so it helps the skin stay moist and the barrier be strengthened even after cleansing (same test conditions).overstated
  • In addition, in the use evaluation, low irritation and cleansing related items such as overall cleansing power, removal of oiliness, rinsing without residue, suitability for sensitive skin, gentle rolling, low irritation and a feeling of protection during washing were confirmed at 100% satisfaction (on 30 adult women aged 20 to 39, test period 2025.07.21 to 2025.08.22).overstated
  • Having completed human eye irritation, allergy, extreme sensitivity, dermatological, acne-prone skin suitability and paediatric skin tests, it is also suitable for sensitive skin and for washing children.no supporting source found
  • Having completed a paediatric skin test, it can also be used for washing our children.no supporting source found
• 

  Aestura

  Theracne365 Soothing Active Moisturizer

  It's made for better hydration and clearer-looking skin.

  Key: Zinc Chloride (#17 on the ingredient list), Niacinamide, Salicylic Acid

  7 claims, summarized

  Only partly backed:

  better hydration · clearer-looking skin · calmer skin (amount unknown) · a smoother skin texture (amount unknown)

  See each claim

  claims, checked

  • Trouble* moisture soothing cream *rough skin texture, sebum, dryness, etc. that controls the oil-moisture balance of acne-prone skin.plausible, not tested
  • Suitable for oily and acne-prone skin, and it is a product that has completed acne-prone skin use suitability testing.plausible, not tested
  • Estra Theracne365 Soothing Active Moisturizer 60ml lightly balances the oil-moisture balance of acne-prone skin and provides a non-sticky moist finish. It is a low-irritation formula containing zinc, potassium glycyrrhizinate, and hyaluronic acid that controls excess sebum and smoothly cares for skin texture.plausible, not tested
  • Zinc Chloride suppresses excessive sebum and helps soothe, Glycyrrhizin (potassium glycyrrhizinate) activates keratin turnover to smoothly improve skin texture, and BHA (salicylic acid) contributes to keratin·sebum care.partly backed
  • It was confirmed that immediately after one use, moisture content increased by 65.1% and skin texture improved (PNK Skin Clinical Research Center, 31 people, 2022.12.16~12.22).no supporting source found
  • After 4 weeks of use, oil content decreased by 24.6%, and through UV imaging, a decrease in porphyrin and excessive sebum was confirmed, and it was confirmed that it is a non-comedogenic product suitable for acne-prone skin (PNK Skin Clinical Research Center, 20 people, 2022.11.08~12.06).no supporting source found
  • It passed a 48-hour patch test at a university hospital dermatology department (32 adults, 2022.10.31~11.03), conducted a 9-time cumulative application allergy test on the same site with 52 adults, and was verified with the participation of 104 people over a total of 73 days.no supporting source found
• 

  Aestura

  THERACNE365 ACTIVE SERUM

  It's made for a smoother skin texture and less shine.

  Key: Zinc Chloride (#24 on the ingredient list), Dipotassium Glycyrrhizate, Niacinamide

  Official (Korean)

  23 claims, summarized

  Only partly backed:

  calmer skin (amount unknown) · a brighter skin tone (amount unknown) · clearer-looking skin (amount unknown) · a smoother skin texture (amount unknown)

  Tests passed:

  non-comedogenic

  See each claim

  claims, checked

  • With Zinc Chloride, excessive sebum control and soothing effects; with Glycyrrhizin, dead skin cell care; through Niacinamide, provides a toning effect to skin dulled by trouble, improving trouble-prone skin to be healthy and smooth.plausible, not tested
  • It gently refines skin texture, delivering a non-sticky, smooth finish.plausible, not tested
  • Provides soothing effect and controls excess sebumplausible, not tested
  • Reduces the appearance of blemishesplausible, not tested
  • DERMATOLOGIST TESTEDplausible, not tested
  • ALLERGY TESTEDplausible, not tested
  • NON-COMEDOGENIC TESTEDplausible, not tested
  • For acne-prone skin, 7-day perceptible Teracne Serumpartly backed
  • For acne-prone skin, from sebum and dead skin cell care to toning effects, 7-day perceptible Teracne Serumpartly backed
  • Comprehensive improvement of 5 concerns of trouble-prone skin confirmedpartly backed
  • Dead skin cells reduced by 7.6%**, sebum reduced by 16.9%**, temporary pores reduced by 34.5%**, skin texture improved by 7.1%**, pigmentation (toning) improved by 4.7%**partly backed
  • 7-day Active Serum for Acne-Prone Skin, Reduce Excess Oil, Help Minimize the Pores, Non-comedogenic Testedpartly backed
  • Animal-originated ingredients, Mineral oil, Polyacrylamides, Tar colorants, Imidazolidinyl urea, Triethanolamine, Silicone oil, PEGpartly backed
  • A sebum control serum exfoliating & preventing clogged porespartly backed
  • This serum delivers potent sebum control, significantly helping reduce pore size and dead skin cells, improving skin clarity within 7 days.overstated
  • Additionally, they have undergone various sensitivity-related tests, making them safe for people of all ages and genders to use with confidence.overstated
  • In just 7 days, 3 times stronger improvement effect on trouble indicators*no supporting source found
  • University students with trouble-prone skin: 7-day efficacy satisfaction 100%no supporting source found
  • Efficacy satisfaction 100%, oil-water balance satisfaction 100%, skin texture satisfaction 100% confirmedno supporting source found
  • Activates skin turnover to help care for dead skin cellsno supporting source found
  • Whiteheads/blackheads help reducingno supporting source found
  • All of the AESTURA products have not used ingredients known to pose risks for sensitive skin.no supporting source found
  • Pregnant or breastfeeding women can use our products.no supporting source found

Often featured alongside it

• Dipotassium Glycyrrhizate
• Niacinamide
• Hyaluronic acid
• Panthenol
• Salicylic Acid