Formulation Advice

Here is the information regarding your questions about mixing ingredients:

1. Mixing Procedure: Yes, you can mix Galactomyces Ferment Filtrate and Snail Secretion into an Aloe Vera Gel base. Simply add the desired amounts of Galactomyces Ferment Filtrate and Snail Secretion to the Aloe Vera Gel base and stir gently until the mixture is homogeneous.
2. Preservative: The ingredients you mentioned, including the Aloe Vera Gel bases, Galactomyces Ferment Filtrate, and Snail Secretion, already contain preservatives. For typical home use and small batches, adding an additional preservative is generally not required. However, always ensure good hygiene practices during mixing and storage to prevent microbial contamination.
3. Galactomyces Direct Use: Yes, Galactomyces Ferment Filtrate can be applied directly to the face without mixing with other ingredients, as its usage rate goes up to 100%. Be aware that using it at high concentrations might result in a slightly greasy feel.
4. Snail Secretion Direct Use: No, Snail Secretion should not be used directly on the face. It is recommended to use Snail Secretion as an ingredient within a formulation at a concentration of 1-8%.