Lactobionic Acid is a multifunctional cosmetic ingredient belonging to the family of polyhydroxy acids (PHAs). It is derived from the oxidation of lactose and consists of a galactose unit linked to gluconic acid. In personal-care formulations, Lactobionic Acid is valued for its exfoliating, humectant, skin-conditioning and chelating properties.
Unlike conventional alpha hydroxy acids, Lactobionic Acid has multiple hydroxyl groups that contribute to its water-binding characteristics. Its larger molecular structure is also associated with a comparatively gradual interaction with the skin surface, making it relevant to cosmetic formulations designed around gentle exfoliation and hydration.
Lactobionic Acid is generally supplied as a white to off-white crystalline powder. Because it is highly water soluble, it can be incorporated into appropriately designed aqueous cosmetic systems.
Lactobionic Acid has the CAS Number 96-82-2 and EC Number 202-558-4. Its chemical name is 4-O-β-D-Galactopyranosyl-D-gluconic acid. The molecular formula is C₁₂H₂₂O₁₂, with a molecular weight of 358.30 g/mol.
It is formed from lactose through oxidation of the glucose portion of the lactose molecule to gluconic acid while retaining the galactose moiety. This structural composition gives Lactobionic Acid its characteristic polyhydroxy functionality.
The ingredient should be distinguished from lactobionate salts such as calcium lactobionate or sodium lactobionate. The free acid has a different chemical identity, molecular weight and formulation behavior from these salts.
Lactobionic Acid functions as an exfoliating, humectant, skin-conditioning and chelating cosmetic ingredient. Its PHA classification is particularly relevant to cosmetic products developed for skin-smoothing and renewal applications.
As a humectant, Lactobionic Acid can contribute to moisture management by interacting with water through its numerous hydroxyl groups. This makes it useful in formulations where exfoliation is combined with a moisturising skin-care approach.
Its chelating capability can also contribute to formulation stability by interacting with certain metal ions. The actual contribution depends on the concentration, formulation pH and other ingredients present.
Lactobionic Acid should not simply be treated as interchangeable with smaller hydroxy acids. Formulation performance depends on molecular structure, concentration, pH and the complete formulation system.
Lactobionic Acid can be used in a variety of skin-care and personal-care formulations. Potential applications include facial serums, moisturising creams, lotions, exfoliating products, anti-aging-oriented formulations, masks and other products designed around skin texture and hydration.
It is particularly relevant to PHA-based cosmetic formulations, where formulators seek an ingredient that combines exfoliating functionality with moisture-supporting characteristics.
Because Lactobionic Acid is highly water compatible, it can be incorporated into suitable aqueous phases. The final formulation pH should be established according to the intended product, concentration and complete ingredient system rather than using a single universal value.
Lactobionic Acid is an acidic cosmetic ingredient, so formulation pH should be controlled carefully. The final pH can influence both the ingredient's functional behavior and the overall tolerability and stability of the finished cosmetic formulation.
For raw-material quality control, assay, water content, residue on ignition, elemental impurities and related substances should be evaluated against the specification of the selected cosmetic grade. There is no justification for assigning a numerical Assay (HPLC) value unless the actual product specification uses a validated HPLC method.
Lactobionic Acid can be hygroscopic to some degree, so appropriate packaging and storage conditions should be established according to the supplier's specification. Moisture exposure can affect physical characteristics and analytical results.
Because Lactobionic Acid is a sugar-derived PHA, the source and manufacturing process can also be relevant to customers seeking specific cosmetic raw-material characteristics. Finished-product usage levels should be established through formulation testing and applicable regulatory requirements in the target market.
Lactobionic Acid is a specialty cosmetic ingredient for manufacturers developing PHA-based skin-care products with exfoliating, humectant, chelating and skin-conditioning functionality. Its combination of multiple hydroxyl groups and acidic functionality provides formulation flexibility for modern skin-care systems.
For B2B cosmetic raw-material sourcing, the specification should clearly identify Lactobionic Acid, its purity/assay basis, moisture characteristics, physical form, pH-related behavior and applicable analytical methods. This is especially important for specialty ingredients where commercial specifications can vary between grades.
As a Lactobionic Acid Cosmetic Ingredient Manufacturer in India, the focus is on controlled raw-material specifications, consistent quality characteristics and suitability for cosmetic and personal-care formulation requirements.
| Parameter | Specification |
|---|---|
| Appearance | White or colourless crystals / white powder |