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Here is a sample formulation for a 20% vitamin C face serum with ingredient quantities listed: Ingredients: 14 mL water 4 mL glycerin 1 mL L-ascorbic acid (vitamin C) 0.6 mL propylene glycol 0.4 mL hyaluronic...

Here is a sample formulation for a non-alcoholic underarm deodorant roll-on with the percentages of each ingredient listed: Ingredients: 70% water 10% alum (potassium alum or ammonium alum) 5% zinc oxide 5% propylene glycol 5%...

Hairfall Prevention Serum Formulation Ingredients: 2 tablespoons of argan oil 2 tablespoons of jojoba oil 1 tablespoon of rosemary oil 1 tablespoon of peppermint oil 10 drops of tea tree oil 1 tablespoon of aloe vera...