Lactic Acid (AHA) 90% (เกรดธรรมดา-มีกลิ่น)

Lactic Acid (AHA) 90% (เกรดธรรมดา-มีกลิ่น)


AHA (Alpha Hydroxy Acid) Lactic acid is a natural acid extracted by fermentation or curing of dairy foods. Has the ability to accelerate skin cell turnover (peeling)

Price 35.00 ฿

gram (mininum 10 gram)

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piece(s), Packing Cost : 10฿/pcs
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Expiration: 02/2024 (Lot: WL4N0B)

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Lactic acid (Lactic) or AHA (Alpha Hydroxy Acid) type L (+) Lactic Acid 90% concentration is a natural acid extracted by fermentation or curing of dairy foods. Has the effect of accelerating skin cell turnover (peeling) by exfoliating the skin to help make the skin smooth and soft. and have more of the same tone (even-tone)


The company sells 2 types of Lactic Acid:

1. Lactic Acid 90% special type through the process of reducing odor. It does not have a sour smell of lactic acid. Suitable for use in formulas that do not require a disturbing smell.

2. Lactic Acid 90% Normal type with normal sour smell. of lactic acid suitable for use in general products


Lactic acid can be used at a concentration of not more than 10% and a product pH of at least 3.5 if a higher concentration is used. Must be under the supervision of a dermatologist. Avoid all kinds of sunlight during use. Also consider using sunscreen (sun block / sun protection) because using AHA will make the skin thinner. and the skin will be more sensitive to light


The company sells different types of Hydroxy Acids that can exfoliate the skin. and moisturize the skin as follows:

1. Lactic Acid Neutralized Through balancing to the right pH value, so it does not irritate the skin. and moisturize the skin well Maiden

2. Lactic Acid, special grade, odorless ( liquid, 90% concentration) with a very weak odor.

3. Glycolic Acid (Powder, Purity >99%)

4. Ampho-Glycolic™ (Non-Stinging Glycolic Acid) (Liquid) Gently exfoliates the skin. Reduce irritation from Glycolic Acid

5. Gluconolactone or PHA   (Powder, Purity >99%) Maiden

6. Lactobionic Acid   (Powder, Purity >99%) Maiden

7. Mandelic Acid   (Powder, Purity >99%) Maiden

8. Capryloyl Salicylic Acid or LHA   (Powder, Purity >99%) Maiden Maiden

9. LipidSoft™ Lactic (C12-13 Alkyl Lactate) or ester of Lactic Acid can be dissolved in oil. Maiden

(Excluding the Salicylic Acid group, which the company sells in various types Please see more information on the Salicylic Acid range, which focuses on its use to dissolve acne breakouts.)


Lactic acid can be used as a pH-lowering agent.


FDA Requirements for AHA:

for consumers Can be used not more than 10% and the product pH is not lower than 3.5

For doctors, it can be used up to 30% and the product pH is not lower than 3.0. Maiden


Proper pH Levels: AHA formulas should have a pH less than 4.0 (best at pH 2.5, best and pass FDA requirements at pH 3.5) to be fully effective. AHA will drop considerably.


Increasing the ceramide level of the skin from each type of Lactic Acid.



Lactic acid is sold as L(+) Lactic, which is the most effective in increasing ceramides in the skin.


Use: For skin peeling or skin care products that want to soften the skin.

Mixing method: Mix it in water (water-phase), the formula should have a pH not higher than 4.0.

Usage rate: 1-10%, do not exceed 10%

Product characteristics: clear, viscous liquid

Solubility: Soluble in water, alcohol and glycerin.

Storage: can be stored at room temperature But close the lid of the bottle tightly. and protected from sunlight or heat, the product has a shelf life of at least 2 years


INCI Name : Lactic Acid (Type L(+)-Lactic Acid) 90%, Aqua 10%


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% - 10%

Mix Method: Add into water phase. Heat tolerant.

Heat Resistance: Avoid heat above 80C


Product Specification:

Test Specification
Stereochemical purity (L-isomer) Min 97%
Content Min 90%
Color, fresh Max 50 APHA
Color, after 2 hours heating at 200C Max 50 APHA
Sulphates Max 10ppm
Chlorides Max 10ppm
Sulphated ash Max 0.05%
Iron Max 10ppm
Total Heavy Metals Max 10ppm
Lead Max 0.5ppm
Arsenic Max 1ppm
Mercury Max 1ppm
Cyanide Max 1ppm
Limit of Citric, Oxalic, Phosphoric and Tartaric Acid Passes test
Reducing sugars Passes test
Readily carbonizable substances Passes test


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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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