Ammonium Lactate: Electrolyte Properties and Use in Skincare
Question
Is Ammonium Lactate an electrolyte? What are its properties and uses in skincare formulations, particularly as a humectant for dry skin?
Answer
Is Ammonium Lactate an Electrolyte?
Yes, Ammonium Lactate is an electrolyte.
Ammonium Lactate is a salt formed from lactic acid and ammonium hydroxide. When dissolved in water, it dissociates into ammonium ions (NH4+) and lactate ions (C3H5O3-). These ions are capable of conducting electricity, which is the defining characteristic of an electrolyte.
In skincare formulations, Ammonium Lactate is primarily used as a powerful humectant, helping to hydrate severely dry skin. It is considered more effective for moisturizing than other lactates like Sodium Lactate. It is commonly found in lotions and creams designed for dry skin conditions.
Key properties and uses:
- Function: Humectant (draws moisture into the skin)
- Solubility: Dissolves in water
- Recommended Usage Rate: 0.5-12.0% (5% is often recommended for dry skin)
- Applications: Suitable for hydrating formulas, especially for severely dry skin.
Examples of products that use Ammonium Lactate include CeraVe Renewing SA Lotion and AmLactin Ultra Hydrating Body Cream.
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