Ingredients for Natural Oil-Based Formulas

It's great that you're looking to enhance your natural oil blends with active ingredients! You can indeed add various oil-soluble or oil-dispersible ingredients to natural oils like Argan Oil, Jojoba Oil, or Rosehip Oil to target specific skin concerns like brightening, dark spots, firming, and anti-aging.

Brightening and Dark Spots

MSH White is an excellent choice for brightening and reducing dark spots, and it is oil-soluble. Another effective oil-soluble ingredient for brightening is ChromaWhite.

Pore Tightening, Firming, and Anti-Aging

For firming and anti-aging, Alaria Esculenta Extract and Wild Yam Extract are suitable options that can be incorporated into oil bases. Other oil-compatible ingredients with anti-aging and antioxidant benefits include ALA Ready and Astaxanthin (which is an oil extract). Ceramide Complex (Water/Oil Dispersible Powder) can also be used in oil formulations to help restore the skin's barrier function, which is beneficial for aging skin.

Ingredients like PoreNin (for pore tightening) and Lift-Now (for instant lifting) are typically water-soluble and would not be suitable for a simple oil blend.

Your Proposed Formula and Preservatives

Your proposed formula combining Argan Oil, MSH White, Wild Yam Extract, and Alaria Esculenta Extract is mixable. These active ingredients are compatible with an oil base. When mixing, note that MSH White and Wild Yam Extract may require gentle warming (around 60-80°C) to fully dissolve in the oil base. Ensure the temperature does not exceed the recommended limits for the ingredients.

Regarding preservatives, for an anhydrous (water-free) formula like a pure oil blend intended for personal use, a preservative is generally not necessary. Microorganisms require water to grow. Phenoxyethanol SA is a preservative typically used in formulations containing a water phase.

Always store your finished product away from heat and direct sunlight to maintain the stability and efficacy of the ingredients.