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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.
Pores are itsy-bitsy openings in the skin—and there are millions covering every millimeter of skin. There are two types of pores with different functions: sweat pores and oil pores. The sweat pore allows moisture, produced by sweat glands, to exude out to the surface of the skin, where it helps to cool the body in response to heat, exertion or fever. Sweat pores are so tiny, they are mostly invisible to the human eye.
The oil pore, on the other hand, is a bit larger. Oil pores are also known as hair follicles because these pores produce oil from the sebaceous glands, but they are also the openings from which hair emerges. The oils help to keep our skin and hair healthy. It is the oil pores that can get clogged with sweat, debris and other gunk, causing acne, blackheads and whiteheads. Sweat pores rarely get clogged, as they are so tiny.
Benzoyl peroxide is a topical agent for fighting bacteria and unclogging pores. It is one of the longest-used medications to keep pores clean and healthy. Jojoba oil and rosehip oil are also good for reducing inflammation, fighting bacteria, and keeping in moisture for healthier skin. Ingredients that help exfoliate dead skin cells and increase new skin cell production, such as Vitamin A/Retinol, glycolic acid, and salicylic acid, are good for keeping pores unclogged as well.
BHA (beta hydroxy acid) may be effective for clogged pores, 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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