MENTHOL CRYSTALS

Menthol crystals: what they are, cosmetic uses and bulk price

Menthol crystals are the solid, purified form of menthol, the organic compound responsible for the characteristic cooling effect of mint. In the cosmetic industry it is used in controlled doses to bring that refreshing sensation to creams, lotions, lip balms and other personal care products. This guide covers what menthol crystals actually are, how they differ from other forms of menthol, their most common uses in cosmetic formulation, dosing considerations to keep in mind, and the factors that affect price when purchased in bulk.

What are menthol crystals?

Menthol crystals are mainly composed of menthol, an organic compound that occurs naturally in peppermint oil. They come in the form of solid, white crystals with an intense aroma, obtained through purification and crystallisation.

Besides menthol as the majority component, this raw material may contain other minor components typical of its plant origin, such as camphor, eucalyptol and thymol, in very small amounts relative to menthol.

Natural menthol versus synthetic menthol

Menthol can be obtained by extraction and crystallisation from mint essential oils (natural menthol) or by chemical synthesis (synthetic menthol), with both forms being chemically identical in their main molecule. The choice between the two usually depends on the requirements of the final formulation — for example, whether the product is to be labelled as naturally derived — and on the availability and cost of each option.

Before incorporating menthol into a formula, it is advisable to request the technical data sheet for the specific batch to confirm origin, purity grade and analytical parameters.

Main uses of menthol crystals

Body creams and lotions. Menthol is incorporated in small doses into creams and lotions to give a refreshing, soothing sensation on the skin, an effect much sought after in after-shave products, tired-leg gels and sports cosmetics.

Lip balms. It is a common ingredient in lip balms, where it provides that characteristic coolness on application.

Other personal care products. It is also used in hair formulations, shower gels and oral care products, always at appropriate concentrations depending on the product type and applicable cosmetic regulations.

How to choose and dose menthol crystals

Menthol is a sensorially active ingredient: small variations in dose can noticeably change the perception of the final product, from a subtle freshness to an intense sensation. That is why it is worth working with suppliers who guarantee a stable purity grade from batch to batch.

Being a crystalline solid, it is recommended to dissolve menthol beforehand in the appropriate phase of the formula (usually the oil phase or via a compatible solvent) before incorporating it into the rest of the ingredients, to ensure even dispersion.

It is also important to check current cosmetic regulations on the maximum allowed percentages of menthol depending on the product type and intended use.

Bulk price of menthol crystals

The price of menthol crystals depends on origin (natural or synthetic), purity grade, purchase volume and packaging format. As with other aromatic raw materials, the market can be affected by mint harvest availability in the case of natural-origin menthol.

Royal Bio supplies menthol crystals in bulk to cosmetic laboratories and personal care manufacturers, providing a quote according to the required volume and packaging.

CAS: 2216-51-5. EINECS: 201-939-0. INCI: MENTHOL.