MicroKill™ (Quaternium-73 Solution)

MicroKill™ (Quaternium-73 Solution)


Quaternium-73 in fully dissolved liquid form and stabilized   With the concentration of Quaternium-73 at 0.1% There are highlights It has a quaternary nature, allowing it to adhere to the skin well. It can therefore be used in wash-off formulas such as soap or shampoo.

Price 35.00 ฿

gram (mininum 3 gram)

Unit price will be cheaper for larger size
The price will be calculated based on the size you enter
>5,000g Discount 10% , >20,000g Discount 15%


piece(s), Packing Cost : 10฿/pcs
The product will be packed based on the requested quantity

Expiration: 02/2024 (Lot: RV29CO)

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MicroKill ™ is Quaternium-73 in fully dissolved and stabilized liquid form (stabilized in liquid) with a concentration of Quaternium-73 at 0.1%


Quaternium-73 is featured as It has a quaternary nature, allowing it to adhere to the skin well. Hence, it can be used in wash-off formulas such as soap or shampoo. The substance will still be able to stick on the skin or hair. In order to have a continuous sterilization effect


According to the research, it was found that Quaternium-73 It is very efficient in sterilizing almost all kinds This includes acne bacteria (P.Acnes) where the rate of use MicroKill ™ at 1% in the formula (or equal to Quaternium-73 0.001%) can sterilize more than 99%.  

Use MicroKill ™ at 1% in the formula (or equal to Quaternium-73 0.001%).   So enough To kill acne.


Quaternium-73 Can withstand extreme heat (85 degrees). And can tolerate a wide range of pH, 2-12, so it can be used in all products. But there are limitations on lighting In which the formula has been used Must be protected from light, for example, pack the product in an opaque bottle  


Quaternium-73 High security There are various high concentration fault tests as follows:

Human body patch test (human body, 0.2%, 48 hours): negative

Initial skin irritation (rabbit, 0.2%, 24 hours): negative

Sustained skin irritation (rabbit, 0.01%, 90 day): negative

Eye irritation (rabbit, 0.0007%, 24 hour): negative

Skin sensitization (Guinea pig, 0.2%, maximum test): negative

Phototoxicity (rabbit, 0.2%): negative

Photosensitization (Guinea Pig, 0.2%, Adjuvant-Strip Method): negative.

Induced gene mutation (10μg, Ames test, ± S9 mix): negative.

Acute Toxicity LD 50 (mouse): 325 mg / kg.  


It was also found that Quaternium-73 Can inhibit the formation of Melanin (skin pigment) by

Quaternium-73 0.000003% can inhibit Melanin in vitro by 50%.

Quaternium-73 0.00001% inhibits Melanin in vitro by 83%.


In summary Quaternium-73 Can work all around To treat acne It kills acne P.Acnes well and reduces marks caused by acne simultaneously Through the process to reduce the formation of Melanin

Usage: For treatment products And prevent acne and dandruff

Mixing method: Directly soluble in water Can withstand heat up to 85 degrees.

Rate of use: 1%

Product characteristics: Yellow liquid

Solubility: Can dissolve in water

Storage: Can be stored at room temperature But close the bottle tightly And sealed from direct sunlight or heat, the product is at least 2 years old


INCI Name : Butylene Glycol, Quarternium-73 (0.1%), Octyl methoxycinnamate (1%).


Examples of products used Quarternium-73

Hiruscar Post Acne Gel for Acne Scar Scars & Dark Marks

DHC Micro Skin Water

Dr. Ci: Labo Ci water SprayMist


FANCL Cleartune Skin Clear Lotion

ProvaMed Acne Spot GEL

  • MSDS MicroKill™
  • Certificate of Analysis/Specification Sheet will be sent to your mailbox after the order is packed.


Storage: Store under room temperature. Avoid Heat & Light.

Shelf Life: 24Months from manufacturing or testing date (Current Lot will expire: 02/2024)

Dosage (Range): 1% - 1%

Recommended Dosage: 1%

Mix Method: Please follow instruction under product info carefully.

Heat Resistance: Avoid heat above 80C

Stable in pH range: 2 - 12

Solubility: Water

Product Types: Cream , Lotion , Clear Gel , Toner , Mask , Scrub , Liquid Soap , Bar Soap (pH >7) , Bar Soap (pH <7) , Shampoo , Conditioner , Cleanser


Product Specification:

Test Specification
Appearance Yellowish liquid
Solubility in water Soluble at 1%, 10%, 20%
Content of Quarternium-73 0.09-0.11%
Content of Octyl methoxycinnamate 0.9-1.1%
Total germs 100 cfu/mL Max
Yeasts and moulds 100 cfu/mL Max
Enterobacteria Absence
Heavy Metals (ppm) 20 Max


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All ingredients are for manufacturing purpose. Do not use them directly. Finished product must be registered with FDA before selling to endusers

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