learn about the main acids and how to use them in your routine

Hyaluronic, salicylic, mandelic, retinoic or glycolic acid are some of the main allies of oil lovers. skincare to keep your skin healthy. Social media has boomed” in the skincare routine that has contributed to the increase in demand for these active ingredients. Despite being widely used, many people are unaware of the real benefits and function of each of them in contact with the skin. Learn a little more about these active ingredients and their main differences.

The most popular is hyaluronic acid. With high moisturizing power, it improves the texture, firmness and appearance of the skin and can be used on any skin type. It works by attracting and retaining water in the skin and also stimulates the production of collagen. It is a molecule that our body already produces. However, over time, the body reduces the production of this active ingredient. It is widely used in the cosmetics sector in lotions, creams and serums. It is also widely used in aesthetic procedures such as harmonization, fillers and facial treatments. But it is important to be careful: treatment with the substance is contraindicated for pregnant women, people diagnosed with autoimmune diseases and collagenosis.

Used to prevent wrinkles and fine lines, retinoic acid is a derivative of vitamin A. It is also called tretinoin. It accelerates and intensifies cell renewal and, for this reason, is recommended for treating blemishes, despite not having a lightening effect. In addition, it helps control oiliness, helps prevent lesions, reduces existing scars, aids in the production of collagen and improves the texture and firmness of the skin. Generally, more mature skin tends to adapt better to this active ingredient. It is important to note that it is a photosensitive substance, so its chemical properties may change in contact with light. Therefore, it is most recommended to use it at night and always use sunscreen when exposed to the sun during treatment.

^{Hailey Bieber is one of the biggest fans of skin care (Photo: reproduction/Instagram/@haileybieber)}

Used mainly to combat acne and control oiliness, salicylic acid is a favorite for oily and acne-prone skin. It is a substance that comes from salicin, an active ingredient of plant origin. With antimicrobial, anti-inflammatory and healing properties, it helps to reduce the inflammatory process of the skin. It also reduces the size of pores and reduces oil production, which helps to combat acne. In addition, it aids in cell renewal. It is widely used in drying gels, masks, soaps and serums.

Originating from bitter almonds, mandelic acid promotes gentle exfoliation of the skin, which results in the removal of dead cells. It belongs to the category of alpha-hydroxy acids, so it can be described in products as AHA (acronym for the class). It acts against inflammatory activities and infectious agents, and has a healing effect, which is why it is also used in the treatment of acne. Because it has larger molecules, its absorption is slower and it acts on the most superficial layer of the skin. For this reason, it is known for being a more “gentle” active ingredient. It is used in the treatment of fine lines and wrinkles, lightening blemishes and hyperpigmentation. It is recommended for black skin, since it has more melanin and this contributes to skin darkening and inflammatory reactions.

^{With the correct care, it is possible to have healthy, vibrant skin (Photo: reproduction/Pinterest/Blog Pri Flor)}

Taken from sugar cane, it is an active ingredient that has an exfoliating action and promotes a feeling of softness. It works to combat free radicals, in addition to being used to reduce fine lines, wrinkles and pores. If used long-term, it can help produce collagen in the dermis (deepest layer of the skin), and increase thickness and firmness. It also provides hydration and freshness to the skin. As it performs a light exfoliation, it removes the surface layer of the skin. Which contributes to the absorption of other substances. It is usually found in facial soaps. But, before using any of these active ingredients, it is extremely important to consult a dermatologist to know and understand the real needs of your skin type and how to use these substances safely.

Featured Photo: Model taking care of her skin (Reproduction/DisobeyArt/Getty Images Embed)