Orange peel is so rich in citric acid and vitamin C that is handy for a whole lot of skin and hair care. Since it is in powder form, it can be used to make a paste, but cannot dissolve in water or any other liquid.
Apple cider vinegar is rich in probiotics and enzymes, magnesium, potassium, and acetic acid. Acetic acid can enhance the growth of “good” bacteria and kill the “bad” ones. Apple cider vinegar is a primary source of polyphenols, which prevents neurodegenerative diseases like Alzheimer’s, osteoporosis, cancers, cardiovascular diseases, etc.
Salicylic acid is extracted from the back of willow tree by treating it with antioxidant chemicals and filtered out to get salicylic acid. Salicylic acid can be combined with a lot of other ingredients to form a great exfoliator, scrub, moisturizer, etc.