Strong acids? No way! This is the time to invest in targeted treatments and products with less side effects.

When you want a stronger skin renewal, the most effective ingredients are acids, which act as a wild card, treating acne to wrinkles, from blemishes to sagging. However, higher temperatures discourage the use of retinoic, glycolic, salicylic and mandelic acids, because they are photosensitive - and that means they can stain or irritate your skin in the presence of the sun or heat. So, now it&#39;s time to invest in effective (but less irritating) acids or other strategies to keep your skin refreshed. &quot;The best thing to do is to consult a dermatologist who will prescribe the best treatment according to what your skin needs&quot;, says Dr. Abdo Salom&atilde;o Jr, a member of the Brazilian Society of Dermatology. 
 
Below, we have consulted specialist doctors so that you know everything you can do to continue with a good anti-aging treatment at high temperatures:

Combine different molecular weights of Hyaluronic Acid

&ldquo;With advancing age, hyaluronic acid decreases, also reducing skin hydration and elasticity. So, when there is a lack of hyaluronic acid, there is dehydration of the skin, tendency to sagging, wrinkles, furrows and loss of luminosity are formed&rdquo;, explains dermatologist Dr. Abdo. 
 
Buona Vita, for example, has 4D, a serum that fills wrinkles and expression lines. &ldquo;In addition to four hyaluronic acids of different molecular weights, the product brings Sculptessence, which stimulates the synthesis of glycosaminoglycans, structural proteins of resistance, flexibility and elasticity of the skin&rdquo;, says Isabel Piatti, Executive Consultant in Aesthetics and Cosmetic Innovation and adviser to the Committee Innovation Technician at Buona Vita.

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Discover and use Retinol-like peptides

Retinol is considered the &ldquo;gold standard&rdquo; active ingredient in skin rejuvenation, stimulating the production of collagen to reduce the signs of aging. However, the active ingredient can cause side effects, favoring the appearance of redness, irritation, tenderness and peeling, in addition to being contraindicated for pregnant women. 
 
The Italian dermocosmetic brand Ada Tina Italy created Retintense 5.0, an ultra-rejuvenating and skin-lightening serum free of Retinol Pure and developed with Retinol-like peptides, which can even be used during the day and summer. &ldquo;Retinol-Like Peptides are four times more potent than Pure Retinol and capable of increasing collagen production in the skin by 20%, providing a lifting effect, facial harmonization, wrinkle filling and bleaching of blemishes without causing side effects&rdquo;, he states the pharmacist Maurizio Pupo, director of Research and Development at Ada Tina Italy. Retintense also brings the Whitening Niacinamide, the Very Low Molecular Weight Hyaluronic Acid and the plant-TGF&beta;2 growth factor, which enhances the production of collagen.

Bet on Vitamin C

&ldquo;Vitamin C can be used throughout the year, but we reinforce its use in the summer, because that is when the ultraviolet rays and the heat cause more free radicals and damage to the skin, so this reinforcement is essential to achieve a more beautiful and healthy. In addition, in the summer, we use less acid and photosensitive whitening substances, so Vitamin C is an important way to treat spots at high temperatures&rdquo;, says Dr. Lucas Fustinoni, scientific disseminator in the areas of Trichology and Aesthetics, Fellowship of Aesthetics in Miami and member of the World Trichology Society. &ldquo;Vitamin C has a reparative action, since, due to its high antioxidant property, it protects the skin against the damage caused by oxidation caused by free radicals, thus preventing premature aging. The active ingredient also helps to soften wrinkles and expression lines, since it is one of the essential factors in the synthesis of collagen, a substance that gives support to the skin, keeping it young, beautiful and healthy. In addition, Vitamin C is still able to uniform skin tone, brightening and preventing blemishes by inhibiting the enzyme that causes the changes, and moisturizing and protecting the skin tissue, since it also acts by strengthening the skin barrier&rdquo;, adds the specialist.

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It is essential to use the photoprotector

According to Dr. Daniel Cassiano, a dermatologist at Cl&iacute;nica Gru Sa&uacute;de and a member of the Brazilian Society of Dermatology, before worrying about a routine that contains acids and antioxidants, we should have the habit of regular use of sunscreen. &ldquo;It is the most important anti-aging cream. In addition, preserving the skin barrier is essential to keep the skin healthy&rdquo;, says the dermatologist. Before using the photoprotector, it is possible to apply a product with Vitamin C. &ldquo;This ingredient increases the protection of the skin against UV radiation and has an action contrary to the immunosuppression caused by this radiation. It is also known for its anti-inflammatory effect&rdquo;, adds Dr. Daniel Cassiano.

Collagen production

Sun damage can be highly influenced by our genetics. &ldquo;For example, the MMP1 gene genotype is related to collagen degradation eight times greater than normal after sun exposure. There is also the genotype of the COL1A1 gene, linked to less collagen production. It is possible to see, in addition, the lack of genotypes of genes such as SOD2 and CAT, which compromises the antioxidant capacity of the skin to respond well against the action of free radicals&rdquo;, says geneticist Dr. Marcelo Sady, Post-Doctor in Genetics and managing director Multigene. That is, these characteristics predispose the patient to have more wrinkles and suffer more with photoaging. &ldquo;There are substances that can act to prevent these changes. Using creams with antioxidants like OTZ 10, Superox C and Alistin is a good option. The doctor can also indicate oral capsules with Exsynutriment and In.Cell for a complete treatment of these changes, as the substances are responsible for a greater production of collagen&rdquo;, says the pharmaceutical company Mika Yamaguchi, scientific director of Biotec Dermocosm&eacute;ticos.

Stimulate collagen with technologies

With the advantage of not taking the patient out of the routine, Ultraction 3D is a micro and macrofocused ultrasound that treats specific points, since its 3D technology allows to precisely adjust the depth where the device will act and the size of the thermal damage. &quot;This allows for a much more effective treatment, as we modulate the amount of muscle and skin contraction so that the device can stimulate more collagen with more efficiency and less pain,&quot; says dermatologist Dr. Abdo. &ldquo;As it acts on muscle, Ultraction 3D does skin tightening (bringing the skin closer to the muscle). In the session, the patient feels little pain, due to the high performance of the device, but the discomfort is less than other ultrasounds on the market &rdquo;, says Dr. Abdo Salom&atilde;o. The doctor indicates an average of three monthly sessions, depending on the degree of sagging skin of the patient, but in the first session it is already possible to see results.

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Empower everything

According to nutritionist Luisa Wolpe Simas, integrated nutrition consultant at Biotec Dermocosm&eacute;ticos, most aesthetic treatments for flaccidity stimulate the fibroblast to produce more collagen, elastin and hyaluronic acid, thus improving skin elasticity. &ldquo;There are orally active ingredients that help in this process and serve as a substrate for the aesthetic treatments to really work. This is the case with Exsynutriment and Glycoxil &rdquo;, says the nutritionist. &ldquo;Exsynutriment is silicon stabilized in marine collagen. It stimulates the production of collagen, elastin and hyaluronic acid, which improves skin tone and reduces sagging. Glycoxil, a carcinin, is an anti-glycant, that is, it decreases the glycation process (binding of the sugar molecule with that of collagen) in the proteins of our skin. The use of carcinin decreases sagging and improves skin elasticity &rdquo;, says the nutritionist. &ldquo;In order for aesthetic treatments to become effective, to improve skin tone, both in reducing sagging and preventing it, we recommend using these supplements for three to six months, with the results already appearing in the first 21 days of consumption, which corresponds to the collagen production cycle &rdquo;, concludes the Biotec Dermocosm&eacute;ticos consultant.

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