To clean makeup brushes there are a few methods I use. For home use and salon.
#1 Use a tablespoon of white vinegar in a cup of hot water, and a 20 minute soak, followed by a hot, then cold rinse and pat dry will do it. Disinfects, dissolves grease/makeup, leaves no film, and inexpensive. (Family Safe)
#2 Liquid laundry detergent will leave your brushes soft and clean. But sometimes brushes will be come too soft so a little goes a long way. Fill the sink with water about half full. Add about a 1/3 cup of detergent. Let soak 20 minutes. Occasionally add a small cap of bleach to disinfect but do not leave brushes in the bleach water for more than a few minutes. Also rinse rinse rinse. (Family Safe)
3) Baby wipes. In between washing use baby wipes to keep the brushes free of residue and oils from your skin. (Family Safe)
4) Alcohol spray. Spray in between uses to kill surface bacteria. This is very important for those with acne. (Family Safe)
5) Salon grade. Last but not least Barbacide. Barbacide can be found in beauty supply stores and can be used on hair and makeup brushes. Although be warned, it is very dangerous if not used properly. Also poisonous so do not use if you have children in your house hold. Read directions carefully on proper use of the product. Some people think the water has to be blue when using Barbacide. Not true. Barbacide is highly concentrated and must be diluted with water. After use soak in water and let dry. This product kills most germs and viruses.