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Hair Care with Method helps people who care for their hair at home interpret signs, build simple routines, and evaluate products and techniques using clear criteria.

Mulher observa entre os dedos uma mecha de cabelo molhada e esticada em um banheiro.

Understand Your Hair28/09/2026

Stretchy hair when wet: what it may indicate and what home tests cannot prove

Wet hair naturally becomes more flexible, but extreme stretchiness with breakage may point to a weakened hair fiber. Learn why home tests cannot diagnose porosity, protein deficien...

Três frascos de shampoo sem rótulo sobre bancada molhada, com toalha, pente de madeira e escova de couro cabeludo em banheiro claro.

Products Without Promises28/09/2026

Anti-residue, clarifying and chelating shampoo: how to tell the function beyond the label name

Anti-residue and clarifying shampoos usually point to more intensive cleansing of oil and product buildup, while chelating describes the presence of agents that can bind metal ions...

Produtos Oh My Hair em embalagens rosadas ao lado de uma lupa ampliando o rótulo, símbolo de proibição e referência visual à Anvisa.

Products Without Promises17/09/2026

Anvisa banned Oh My Hair products from Mavila: which items are affected and how to check the label

Anvisa Resolution RE 3,525/2026 prohibits the manufacture, sale, distribution, advertising and use of listed Oh My Hair products. See the items and how to check the label.

Mulher de cabelo loiro descolorido segura uma mecha fina e esticada entre as mãos diante do espelho do banheiro.

Understand Your Hair14/09/2026

Gummy hair after bleaching: how to spot loss of strength and what to stop first

Learn the signs of overly stretchy hair after bleaching, what to stop immediately, how to limit breakage, and when to seek professional help.

Mulher de cabelos cacheados escuros usando um secador com difusor preto próximo aos cachos em um ambiente interno de tons quentes.

Techniques and Tools13/09/2026

Is Your Hair Diffuser Causing Frizz? Heat, Airflow, and Distance That Change the Result

Frizz during diffusing can come from strong airflow, heat, proximity, or handling. Learn how to identify the likely cause and adjust without a one-size-fits-all rule.

Mulher com cabelo natural volumoso exibindo diferentes padrões de ondas e cachos, com áreas marcadas como 2C, 3A e 3B e referências visuais a espessura, densidade, porosidade e histórico químico.

Curl Patterns in Practice13/09/2026

Can 2C, 3A and 3B exist on the same head? How to map curl patterns without treating the scale as a diagnosis

Yes: different regions of the same head can show different curl patterns. Learn how to map 2C, 3A and 3B without confusing pattern with strand thickness, density, porosity or damag...

Pessoa segura um frasco branco de finalizador e usa uma lupa para ampliar a alegação de proteção térmica, com secador e escova ao redor.

Products Without Promises02/09/2026

Hair heat protectant: how to tell whether the label really promises heat protection

Learn to distinguish a real heat-protection claim from wording such as “heat activated,” conditioning benefits, and ingredients that do not prove finished-product performance on th...

Cena editorial em salão com frasco de progressiva sem formol, rótulo destacando ácido glioxílico, lupa, cabelo alisado e referência visual à Anvisa.

Products Without Promises30/08/2026

Is a formaldehyde-free hair straightening treatment safe? How to interpret glyoxylic acid, straightening active ingredients, and Anvisa registration

“Formaldehyde-free” is not a safety seal. Learn how to cross-check the straightening active ingredient, Anvisa registration, and warning signs before having the treatment.

Close-up de cabelo castanho molhado sob chuveiro cromado com incrustações brancas de minerais, enquanto uma mão toca os fios.

Understand Your Hair30/08/2026

Hard water and hair: how to recognize mineral buildup and when a chelating shampoo makes sense

Hard water can leave calcium and magnesium on hair, but the signs are not specific. See how to test the water and choose between regular, clarifying and chelating shampoo.

Composição editorial com frasco verde de tônico capilar ampliado por uma lupa, couro cabeludo ao fundo, frasco conta-gotas, sinal de atenção e prancheta de fiscalização sanitária.

Products Without Promises26/08/2026

Does hair tonic make hair grow? What labels may claim and when Anvisa intervenes

A hair-growth claim is not automatic proof of efficacy. Learn how to separate cosmetic claims, regulatory status, minoxidil and Anvisa enforcement.

Composição editorial ilustrativa com celular exibindo aviso da Anvisa, frascos identificados como Capi Hair e Essencial For Men, pote de Máscara Avocado Tutano Vegano e lupa sobre dados de lote.

Products Without Promises24/08/2026

Anvisa banned Capi Hair, Essencial For Men and Máscara Avocado Tutano Vegano: how to identify the affected products

Resolution-RE 3,249/2026 applies to all batches of three specific products. See what to check on the label and why the product-line name alone is not enough.

Close de cabelo castanho com uma mecha lisa sendo segurada ao lado de frasco conta-gotas, vidrarias de laboratório e uma escala de pH ao fundo.

Products Without Promises19/08/2026

Does hair acidifier work? What does the pH really change in the hair and when is it worth using

The acidifier can reduce swelling and friction in sensitized hair, but does not provide structural repair. Understand when it adds something and when a good conditioner is enough.

Mulher de cabelo molhado observa uma máscara capilar e um condicionador ao lado de um bloco com critérios para decidir a ordem de uso.

Simple Routines16/08/2026

Do you need to apply conditioner after the mask? How to decide without the “seal the cuticle” rule

Mask does not require conditioner as a rule. See how to read the instructions for use, recognize the conditioning action and test whether the extra step improves detangling without...

Mulher em frente ao espelho usando secador e chapinha, com frasco de produto capilar sobre a bancada entre as duas etapas de calor

Techniques and Tools15/08/2026

Thermal protector between dryer and straightener: when to reapply and how to organize two heat stages

Reapplying heat protectant is not a universal rule. The decision depends on the mode of use, the condition of the wire and the second heat tool.

Mulher com cabelo molhado compara dois frascos de shampoo sem rótulo em um banheiro iluminado.

Products Without Promises15/08/2026

Shampoo with sulfate or without sulfate? How to choose the cleansing your hair really needs

“Sulphate-free” is just a clue. Learn to evaluate the cleaning system, recognize excess or lack of detergent and adjust shampoo, technique and frequency.

Fio de cabelo sobre a superfície da água em um copo, representando o teste caseiro usado para estimar a porosidade capilar.

Understand Your Hair08/08/2026

Does the cup test for porosity work? What it measures poorly and what to watch instead

The cup test is popular, but it does not reliably measure porosity. Understand why the wire may float or sink and which signs are most useful.

Três mechas de cabelo com diferenças visuais de textura, brilho e peso, representando ressecamento, dano da fibra e acúmulo de produtos.

Understand Your Hair08/08/2026

Dry, damaged or accumulated hair? A script of signs before changing your routine

Before changing your entire routine, look at texture, weight, breakage, chemical history, and response to washing to separate dryness, fiber damage, and buildup.

Frasco genérico de alisante capilar ao lado de duas fichas abstratas que representam registro e notificação sanitária.

Products Without Promises07/08/2026

Straightening “notified” is not regular: how to differentiate notification from registration with Anvisa

If a straightener only appears as “notified” on Anvisa, it is not regulated for this purpose. Understand why the category requires registration.

Fluxograma que separa xampu e condicionador notificados, alisante registrado e pomada capilar consultada em lista específica da Anvisa.

Products Without Promises06/08/2026

How to consult a hair cosmetic at Anvisa by name, process and CNPJ before purchasing

Learn how to choose the right Anvisa consultation and check shampoo, conditioner, ointment and straightener by name, process or CNPJ.

Ilustração editorial de embalagem cosmética genérica ao lado de nota fiscal, perfil de vendedor e consulta sanitária oficial

Products Without Promises04/08/2026

Counterfeit Profuse Nitrel: how to recognize the irregular product cited by Anvisa

Anvisa ordered the seizure of all batches of the item labeled Profuse Nitrel. See how to check spelling, seller, process, invoice and proof.

Produtos capilares genéricos ao lado de uma lupa, uma etiqueta com data de fabricação e um símbolo de alerta sanitário.

Products Without Promises03/08/2026

Anvisa banned relaxing cream and hair fiber: how to identify the affected products

Anvisa banned a relaxing cream and a hair fiber without regularization. Check names, dates reached and what to do when identifying products.

Pessoa lavando um olho com água corrente após contato acidental com pomada capilar, com a embalagem do produto preservada ao lado

Simple Routines03/08/2026

Hair ointment got into the eye: what are the safe first steps

Hair ointment on the eye requires immediate and prolonged washing. See what to avoid, which signs require attention and why to keep the packaging.

Pessoa conferindo o rótulo e o número de processo de uma pomada capilar antes de fazer tranças

Products Without Promises02/08/2026

Pomade for braids and hairstyles: how to check the product before using

Before applying ointment to braids or hairstyles, check authorization, label, origin and know how to act in case of irritation or eye contact.