Hair care guides

Clear answers on hair and scalp care, written by the Nitiel team in Palma. Every guide opens with a short answer, cites scientific and official sources and ends with frequently asked questions.

Volumising shampoo: how often to use it and how to get the most from it
Use a volumising shampoo two or three times a week. Apply it to the roots, massage, leave it on for one minute and rinse. It gives body because it leaves... Read more...
Frizzy hair: why it frizzes and what really helps
Hair goes frizzy when it is dry or damaged: the cuticle lifts, absorbs moisture from the air and each hair swells in its own direction. It helps to hydrate the... Read more...
Does conditioner take volume away from fine hair?
Not necessarily. Fine hair loses volume when the conditioner is very rich, is applied near the roots or is not rinsed out well. With a lightweight conditioner, applied only from... Read more...
What order to apply hair products in
The order is: first, whatever cares for the scalp before washing (oil or scalp scrub); next, shampoo; then conditioner or mask from mid-lengths to ends; and, to finish, leave-in mist... Read more...
Leave-in mist: what it is for and how to use it
A leave-in mist is a lightweight product that you spray onto damp hair after the shower and do not rinse out. It detangles, adds shine and keeps frizz under control... Read more...
Dry ends and greasy roots: how to care for combination hair
Care for each area separately. Shampoo goes only on the scalp, to clean the roots; conditioner or mask goes only from mid-lengths to ends, to hydrate the lengths. Do not... Read more...
How long should you leave a hair mask on?
Five minutes is enough. Apply a mask from mid-lengths to ends on washed, squeezed-out hair, leave it on for the time stated on the pack and rinse. Leaving it on... Read more...
Sulphate-free shampoo: what it means and who it is for
A sulphate-free shampoo does not contain the surfactants SLS or SLES, which are the ones that lather and cleanse the most. It uses gentler cleansers instead. It works well on... Read more...
How to use dry shampoo without leaving white residue
Spray dry shampoo about twenty centimetres from the roots, in sections, only on the area that looks greasy. Wait thirty seconds for it to absorb the sebum, then massage with... Read more...
Should conditioner go on your roots?
No. Conditioner is applied from mid-lengths to ends, which is the oldest and driest part of your hair. The roots already get natural sebum from the scalp; if you put... Read more...
How often should you wash your hair?
There is no frequency that works for everyone. Wash your hair when the roots are dirty or greasy: for some people that is every day and for others, twice a... Read more...
Scalp scrub: before or after shampoo?
Use a scalp scrub before shampooing, on damp hair. Massage it in for one minute with your fingertips, rinse it out and then wash with shampoo, which removes what the... Read more...
Is keratin vegan? What hydrolysed keratin is and where it comes from
Keratin is an animal protein: the kind used in cosmetics usually comes from wool or feathers, so it is not vegan. What is sold as ‘plant keratin’ is proteins or... Read more...
Rosemary oil on hair: how often to use it and how long to leave it on
Apply rosemary oil to the scalp two or three times a week, before washing. Spread it drop by drop, massage for two minutes with your fingertips and leave it on... Read more...
Clarifying shampoo: what it is and how it differs from a regular one
A clarifying shampoo is a deep-cleansing shampoo: it removes the build-up of product, limescale and sebum that a daily shampoo leaves behind. It is also called a purifying or detox... Read more...
Hard water and hair: what limescale does and how to remove it
Hard water contains a lot of calcium and magnesium. Those minerals cling to your hair with every wash: they make it rough, take away its shine and make shampoo lather... Read more...
Detox shampoo: what it does, how often to use it and how to choose one
A detox shampoo removes what your everyday shampoo leaves in your hair. What it really does, how often to use it and how to choose one that won’t dry your... Read more...
Silicone-free shampoo: how to spot silicones on the label and when to drop them
Silicones give instant softness, but some build up wash after wash. How to recognise them on the label and how to switch to a routine without them. Read more...
Fine hair with no volume: what works and what makes it worse
Fine hair does not need more product: it needs less weight and clean roots. This is what changes the result. Read more...
Product build-up or dandruff: how to tell them apart
Both look similar in the mirror and are fixed in different ways. Here is how to tell them apart at home. Read more...
Dry scalp: why it feels tight and what helps
Tightness and fine flakes almost never clear up by washing less. Here’s what’s usually going on and how to change it. Read more...
Rosemary oil for hair: how to use it properly
Rosemary oil has become famous on social media. Here we tell you how to use it properly, how much to apply and what you can realistically expect from a cosmetic. Read more...
How to exfoliate your scalp: step by step and how often
We exfoliate our face and body, but hardly anyone exfoliates the skin that gets the most product: the scalp. Here we explain what it is for, how to do it... Read more...
Keratin mask: what it does and how to use it
Keratin is the protein your hair is made of. When colouring, straighteners or the sun take their toll on it, the ends feel rough and tangle. Here we explain what... Read more...
Greasy hair: why your roots get oily so fast and what to do
You wash your hair in the morning and by the following evening your roots are already shiny. It is one of the questions we get asked most, and it is... Read more...