O sérum capilar certo para o couro cabeludo – ou para os comprimentos.
«Sérum capilar» quer dizer duas coisas diferentes: séruns para o couro cabeludo, que devem ajudar o cabelo que fica mais fino, e séruns de cuidado para comprimentos brilhantes e maleáveis. Explicamos a diferença e fazemos recomendações para os dois.
ARBUTI Hair Salon · Atualizado em outubro de 2026
Os séruns capilares que recomendamos
1
Raiz · recomendação
LADUTI Hair Serum
Um sérum para mulheres e homens, em frasco de vidro âmbar de 30 ml com conta-gotas. Aplicas à noite no couro cabeludo e lá fica a noite inteira. Junta AnaGain™ e Procapil™, sem minoxidil e sem hormonas; a Dermatest® classifica a tolerância cutânea como «muito boa».
A favor
Atua durante a noite diretamente no couro cabeludo
Um único ativo (tiocianato), todos os dias no couro cabeludo, sem enxaguar. A aplicação faz-se num instante. O fabricante refere observações de utilização, mas sem grupo de comparação.
Um sérum para o couro cabeludo com o complexo vegetal MKMS24, segundo o fabricante feito, entre outros, de bambu, tomilho e lentilha. Aplica-se com o pulverizador no couro cabeludo e massaja-se. Não encontrámos as grandes percentagens do fabricante em estudos independentes.
Do fabricante do conhecido sérum de pestanas, para mulheres e homens e, segundo o fabricante, sem hormonas. O sérum aplica-se com o vaporizador no couro cabeludo e não se lava.
Um sérum de cuidado para comprimentos secos, que se aplica à noite e cuida durante a noite. De manhã, o cabelo está mais macio e mais fácil de pentear. Não foi pensado contra a queda de cabelo.
Um sérum-óleo com três óleos vegetais, entre eles o de argão. Em cabelo húmido, facilita o pentear; em cabelo seco, dá brilho e domina o frizz. Bastam umas gotas.
Quando for preciso, muitas vezes depois da lavagem
Resultado
Só se avalia ao fim de semanas
Visível de imediato
O que avaliamos enquanto cabeleireiros
Tempo de contacto
Um sérum para o couro cabeludo não deve ser enxaguado. Quanto mais tempo ficar no couro cabeludo, melhor – por isso gostamos de séruns para a noite.
Provas
Pergunta se há estudos com grupo de comparação. Promessas do fabricante como «até 90%» sem fonte são publicidade, não prova.
Tolerância
Com o couro cabeludo sensível, atenção ao perfume e ao álcool; testa os séruns novos primeiro numa pequena zona.
Peso
O cabelo fino só aguenta séruns de cuidado leves nas pontas. O cabelo grosso e crespo pode levar fórmulas mais oleosas.
Silicones
Nos séruns de cuidado não são problema e muitas vezes são a razão do brilho. No couro cabeludo não têm nada a fazer.
Perguntas frequentes
Um sérum capilar ajuda contra a queda de cabelo?
Um sérum de cuidado para os comprimentos, não. Um sérum para o couro cabeludo com ativos estudados pode ajudar o cabelo que vai ficando mais fino, se o usares com regularidade durante meses. Os produtos que recomendamos para isso estão na nossa comparação Top 10 para crescer o cabelo.
Posso usar sérum capilar todos os dias?
Os séruns para o couro cabeludo foram pensados para uso diário. Os séruns de cuidado para os comprimentos chegam, em geral, depois da lavagem ou quando for preciso – senão o cabelo fica pesado.
Sérum em cabelo molhado ou seco?
Os séruns de cuidado protegem do secador em cabelo seco com a toalha e servem de acabamento contra o frizz em cabelo seco. Os séruns para o couro cabeludo aplicam-se, em geral, no couro cabeludo seco – segue as instruções do fabricante.
Qual é a diferença entre sérum e óleo capilar?
Os óleos capilares são feitos sobretudo de óleos vegetais; os séruns de cuidado, muitas vezes de silicones leves com algum óleo – envolvem o cabelo e alisam-no. Nenhum dos dois foi pensado para o couro cabeludo. Mais no nosso artigo sobre o óleo capilar.
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