FAST FACTS YOU SHOULD KNOW ABOUT ACID COSMETICS: AHA VS BHA, OR PHA
The hydroxyl acids (AHA vs BHA vs PHA) are a group of natural acids found in foods. Generally, they contain citric acid (found in citrus fruits), glycolic acid (found in sugar cane), lactic acid (found in sour milk), malic acid (found in apples), tartaric acid (found in grapes), to name a few.
And just in case you are wondering… “is beta hydroxy acid the same as salicylic acid?" Yes! In addition, the acid derivatives of the hydroxyl acid include the BHA (or beta hydroxy) while the PHA or polyhydroxy, such as gluconolactone, lactobionic acid, and maltobionic acid.
In recent years, BHA vs AHA for skin have become popular ingredients in the formulation of skincare products, and have been classified as "cosmeceuticals", or cosmetics with pharmaceutical functions -- they are excellent allies to reduce lines of expression, to firm, hydrate, and even the tone and texture of the face, reducing the appearance of spots, wrinkles, and scars. A typical example is the AHA vs BHA for acne.
WHAT ARE BHAS?
BHAs or beta hydroxy acids are one of the most used ingredients in skin care products. This is because it is a non-abrasive substance. It helps to soothe and calm the skin -- being softer than any brush or scrub with coarse particles.
BHAs work both on the surface of the skin, and as well as in the deep layers, within the skin pores. In addition, they are soluble in oil so they are recommended for normal to oily skin, skin prone to pimples, acne, comfortable and open pores. BHA also contains soothing and anti-inflammatory properties. Thus making them mild enough to be used on sensitive skin, and skins prone to redness and rosacea.
The most commonly used BHA is salicylic acid, an ingredient known for its acne-treating properties. It also works to reduce redness and inflammation of the skin. The use of BHAs improves roughness, helps against wrinkles, and against solar pigmentation of the skin in a minimum application period of 6 months when used daily.
WHAT ARE AHAS?
They are chemical exfoliants that remove dead cells from the skin's surface, revealing the new skin underneath. They work by dissolving the glue that binds skin cells together, making dead skin easily peel away.
AHAs are soluble in water, so they only work on the surface of the skin. They are generally recommended for normal to dry and sun-damaged skin as they help improve hydration factors within the skin, and are also effective in reducing visible sun damage to the skin such as fine lines. and wrinkles.
The most commonly used AHA is glycolic acid which is derived from sugar cane. This ingredient exfoliates the skin and has antibacterial properties that help prevent acne breakouts. Other AHAs include lactic, tartaric, citric, malic, and mandelic acids.
HOW CAN I INTEGRATE THESE SUBSTANCES INTO MY BEAUTY ROUTINE?
BHAs vs AHAs are chemical exfoliants derived from natural products. Despite being acidic, both substances, depending on their concentration can be light and non-abrasive enough to be used even on sensitive and dry skin. For AHAs, a concentration of 10% is recommended for daily use. Although concentrations of up to 20% can be used less frequently.
In the case of BHAs, the maximum allowed concentration is 2%. Between 1 and 2% is used to control acne, and lower concentrations can be used if you just want to keep your pores clean.
It is recommended to use these products preferably at night. They can also be used during the day, however, being exfoliating, they can leave the skin sensitive to the sun, so it is recommended to use them with the caution of using sunscreen and reapplying periodically to avoid reactions caused by UVA and UVB periods.
HOW TO INTRODUCE THE (HYDROXYL ACIDS) AHA vs BHA TO YOUR SKINCARE REGIMEN
It is recommended to introduce these skinceutic c + aha exfoliating ingredients gradually into the beauty routine. That is, starting by using them once a week and depending on the reaction of the face; gradually increasing to 2 or a maximum of 3 times a week if necessary. Each skin is different in terms of frequency, and even whether one or both acids are used at the same time will depend exclusively on how the skin reacts. In this sense, each person must look for the method that works best for the face.
People with an allergy to aspirin are advised not to use this AHA vs BHA toner product without doing a sensitivity test on the arm.