Mandelic Acid
Gentle AHA Exfoliant
Mild alpha-hydroxy acid for exfoliating formulas that improve texture and radiance.
TECHNICAL DATA
INCI Mandelic Acid
No. CAS 90-64-2
FUNCTION
Mandelic AcidGentle chemical exfoliantBrightening treatments (the look of dark spotsand uneven tone)Helps keep blemish-prone skin looking clearRefines textureSkin radiance
APPLICATIONS
SerumsRenewing creamsTonersCleansers
• Brightening or anti-aging serums • Renewing creams and lotions • Exfoliating gels or toners • Facial cleansers
DESCRIPTION
Mandelic Acid
Mandelic acid is an aromatic alpha-hydroxy acid (AHA) derived from bitter almonds. It is mainly used in the cosmetic industry as an exfoliating and brightening agent and in products for blemish-prone skin. It has a larger molecular size than glycolic acid, allowing slower, gentler penetration into the skin.
Practical formulation guide
Usage level: Recommended usage level: • Creams and lotions: 2–10 % • Chemical peels: 20–50 % (professional use) • Facial serums: 5–10 %
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: Incompatibilities
- Strong oxidizing agents. • Strong bases. • Strong reducing agents. • Excessive heat and direct light. • Moisture → as a powder it may cake or lose stability if it absorbs water.
Storage: Shelf life: 24 months under proper conditions. • Keep in its original container, tightly closed, to prevent moisture absorption. • Store in a dry, cool, ventilated place, protected from direct sunlight. • Keep in areas free of excessive dust so as not to affect product purity.
Precautions: • For use only in cosmetic or industrial formulations. • Do not use directly on the skin without proper formulation. • May cause eye and skin irritation at high concentrations. Handling Use personal protective equipment (PPE): lab coat, gloves, face mask, 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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