Getting fine hair to have volume can already be tricky in itself, but when rain arrives it seems like an impossible mission. We can devote several minutes to blow-drying, work the roots with a round brush, and leave the house with a seemingly perfect mane only to discover, just a few hours later, that it has lost all its body. Humidity makes the hair return to its natural shape, flatten, and become much harder to maintain the hairstyle.
Although we often think the solution lies in using more setting products, the truth is that the secret starts much earlier. From choosing the shampoo to the way you dry the roots, there are small gestures capable of making a big difference. To discover which ones really work, we spoke with Paola Moyano, stylist at The Beauty Concept Hair, who explained how to keep fine hair voluminous even when the weather isn’t on your side.
Why does fine hair lose volume when it rains
The explanation lies in the hair’s own structure. “Fine hair has a smaller diameter and less internal structure, so any change inside is felt much more,” explains Paola Moyano. When environmental humidity rises, the hair fiber absorbs water and the hydrogen bonds that help maintain the shape we achieved with the dryer are altered. As a result, the hair loses the worked volume and returns to its natural fall.
A stylist combing the hair.
Another drawback is that fine hair can easily become weighed down when it accumulates grease or product residues. Therefore, one of the most common mistakes is using treatments that are too nourishing or applying conditioner directly to the roots. The expert recommends reserving conditioner for mid-lengths and ends, rinsing it properly, and opting for lightweight formulas that provide hydration without adding weight.
It is also worth paying attention to the ingredients. Hydrolyzed proteins from wheat, rice, or silk, panthenol, and certain volumizing polymers can help improve the sense of body. By contrast, formulas rich in dense oils or butters can be excessive for this hair type. “My advice is to choose light textures, almost watery, and reserve the most nourishing treatments for the ends only,” she recommends.
The blow-dryer trick to achieve longer-lasting volume
If there is one step that makes a real difference, it is drying. According to the stylist, how we work the roots while the hair is still damp determines a large part of the final result. “If we let the root dry on its own, pressed against the head, there’s no product that can fix it afterward,” she warns.
Her technique is to start drying the roots with the fingers and the head tilted downward, directing the air in the direction opposite to the natural fall of the hair. When they are approximately 80% dry, she uses a round brush to lift the strands perpendicular to the scalp. The last gesture is especially important: finish each section with cold air and let it cool wrapped for a few seconds to help set the form.
But what about styling products? For Paola Moyano, the most effective is to apply a volumizing spray directly at the roots before drying and complete the styling with a small amount of texturizing powders. The first help build the volume, while the second provide grip and allow the hair to keep a sense of greater density.
A stylist drying a model’s hair.
When humidity is high, she also recommends using a humidity-resistant spray or a light-hold setting spray, applied from a certain distance once the styling is finished. The key is to control frizz without sacrificing natural movement. Therefore, she discourages applying oils or anti-frizz creams that are too dense across the entire mane, as they can make the hair look shinier but also much flatter.
The stylist’s gesture to regain volume without washing the hair again
«In the salon we switch the part to the other side right after finishing the styling. The root, which was used to falling to one side, naturally lifts when you wear it to the opposite side», explains the specialist.
Another recommendation is placing large Velcro rollers on the crown for about ten minutes, with the hair already cold, while we finish dressing or applying makeup. This way we can gain height at the top of the mane without repeatedly resorting to heat tools.
A model with rollers.
¿Y si la lluvia termina arruinando el resultado? En ese caso, la solución puede estar en el bolso. La estilista recomienda llevar un champú en seco de tamaño mini para absorber el exceso de grasa y devolver cuerpo a las raíces. Basta con aplicarlo por secciones, masajear suavemente con las yemas de los dedos y colocar la cabeza hacia delante durante unos segundos para recuperar parte del volumen perdido.
A haircut can also help us achieve more volume
Beyond products and styling techniques, the cut also influences how fine hair behaves. Paola Moyano advocates for straight, compact bases that create a greater sense of density. Among her favorites are the jaw-length bob, the long bob, and shoulder-length to mid-length manes. She also recommends very subtle interior layers, capable of adding movement without diminishing the visual density at the ends.
Conversely, care should be taken with excessively long manes, aggressive thinning, and layers that are too pronounced, which can make the hair look thinner. And when rain threatens to spoil the hairstyle, soft waves, textured ponytails, and slightly undone low buns can become our best allies.
In short, getting fine hair to maintain volume on rainy days does not consist in using a lot of products, but in choosing the right ones and paying special attention to the roots. A good drying, light setting, and gestures as simple as changing the part can help the mane keep its movement for much longer.
