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Glyoxylic Acid 50% · Hair-Smoothing Active
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$63.28 CAD
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Glyoxylic Acid 50% · Hair-Smoothing Active - 100 g is backordered and will ship as soon as it is back in stock.
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Description
Description
Glyoxylic Acid 50%
Hair-Smoothing Active
Active for treatments that smooth and tame hair.
TECHNICAL DATA
INCI Water, glyoxylic acid monohydrate.
No. CAS 7732-18-5; 298-12-4
Appearance Clear liquid
Color Yellow
Odor Characteristic
Solubility Miscible in water and alcohol. Insoluble in organic solvents.
Glyoxylic acid purity 50 %
Glyoxal 1 max.
Oxalic acid 1 max.
Nitric acid 0.2 max.
FUNCTION
Hair straightener
Mechanism of action: Human hair is about 90 % keratin by dry weight. The polypeptide chains of this protein are held together by five types of bonds: disulfide bridges, peptide bonds, salt bridges, hydrogen bonds and Van der Waals forces. Straightening curly hair is achieved by breaking and modifying these bonds that hold the polypeptide chains together. Glyoxylic acid's smoothing mechanism is based on acid cleavage of the bonds between chains and the formation of new intermolecular bonds. These bonds form through the reaction of glyoxylic acid's two carbonyl groups with the sulfur and amino groups present in keratin. Applying heat combined with mechanical stress—pressing the hair with a flat iron at 200–230 °C/392–446 °F—completes the glyoxylic acid smoothing technique. The smoothing process therefore involves chemical breaking of existing bonds under acidic conditions, plus mechanical smoothing with heat. The smooth, long-lasting finish results from changes in the relative positions of adjacent polypeptide chains within the hair fiber.
APPLICATIONS
Hair-smoothing treatmentsHair care products
Hair smoothing products.
DESCRIPTION
Glyoxylic Acid
An organic acid with smoothing, straightening and conditioning effects on hair. As the smallest aldehyde acid, it can penetrate the hair cuticle and react with keratin; it does not contain formaldehyde. It breaks, under acidic conditions, the bonds that hold keratin's polypeptide chains together, followed by the formation of new bonds (cross-links). Provides long-lasting smoothing of the hair fiber, improving manageability and appearance without the hair damage or scalp irritation typical of hydroxide- or thioglycolate-based products.
Practical formulation guide
Usage level: 8 to 20 % for smoothing products; 0.1 to 1 % as a pH adjuster in cosmetic products.
How to use and incorporate: Dissolve in the water phase (salicylic acid requires a solvent such as butylene glycol, propylene glycol, alcohol or warm glycerin) and adjust the final pH with a base (triethanolamine, sodium hydroxide or arginine), measuring with a pH meter.
Formulation tips:
- Final pH determines the performance and tolerance of the product; always measure with a calibrated pH meter.
- In leave-on products with alpha-hydroxy acids, include a sunscreen use recommendation on the label.
- Before scaling up, make a pilot batch and run a stability test (cycles at 4 / 25 / 45 °C/39 / 77 / 113 °F for 4 weeks, checking odor, color, pH, viscosity and separation) in the final packaging.
Compatibility: May be incompatible with unneutralized carbomers, some preservatives and actives sensitive to acidic pH.
Storage: Keep in tightly closed containers protected from light.
Precautions: Wear gloves and safety glasses.
Technical information for formulators: This sheet describes industrial uses of the raw material in the development of cosmetic products. It is not an efficacy claim for any finished product. The person responsible for the formulation must validate the concentration, compatibility and claims of their product in accordance with applicable regulations.
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Glyoxylic Acid 50% · Hair-Smoothing Active
100 g
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Regular price
$63.28 CAD
Unit price
Skip to product information
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Glyoxylic Acid 50% · Hair-Smoothing Active - 100 g is backordered and will ship as soon as it is back in stock.
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Glyoxylic Acid 50% · Hair-Smoothing Active
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