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BHA is an abbreviation for beta hydroxy acid, also known as salicylic acid. Don’t let the word ‘acid’ put you off. BHA is not corrosive or abrasive and actually has soothing properties. Making it much kinder on your skin than scrubs and cleansing brushes.
Salicylic acid is a keratolytic, meaning it dissolves the bonds that hold skin cells together and helps them to shed away more effectively. It's naturally occurring in white willow bark and wintergreen, but most of the salicylic acid used today is synthesized.
Salicylic acid is especially helpful in treating acne because of its ability to penetrate the follicle. It encourages the shedding of dead skin cells from within the follicle, helping keep the pores clear. And keeping the pores clear is the first step in getting all types of blemishes under control. It works best against non-inflamed breakouts, and blackheads.
Salicylic acid has other benefits, too. It helps to decrease oil and inflammation.
Most people can use salicylic acid without any big problems, but people with sensitive skin may suffer from skin irritation when using a high concentration of salicylic acid.
Oily skin occurs when the sebaceous glands in the pores are producing more oil, or sebum, than necessary. Sebum is natural in all skin as it keeps the skin moist and healthy. Over production of sebum can be caused by hormones, genetics or could even be a result of dry skin over-compensating by producing extra oil, in order to retain some measure of moisture.
Oily skin can also be caused by using the wrong products for your skin type. For example, if you are using overly drying soaps and astringents for your skin type, your skin may respond by over producing oil to compensate, as mentioned above. This can create an unfortunate cycle of using harsh soaps to eliminate oils, but instead exacerbating the problem.
On the other hand, overly oily makeup and products can also cause oily skin.
Ingredients that help exfoliate dead skin cells to keep pores unclogged and increase new skin cell production, such as Vitamin A/Retinol, glycolic acid, and salicylic acid, are good for treating acne as well. Benzoyl peroxide is a topical agent for fighting bacteria and unclogging pores. It is one of the longest-used medications to keep oily pores clean and healthy. Jojoba oil is also good for fighting bacteria trapped in oily skin and maintaining a moisture barrier to prevent over-production of sebum.
BHA (beta hydroxy acid) may be effective for oily skin, but there are many other factors that may affect whether this ingredient would work on your skin or if there are better ingredients that may work for you. Take this skin quiz to find the best ingredients for your skin and build your skincare routine.
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