How to choose a leave-in conditioner for your hair type, according to the experts

Leave-in conditioners vary by hair type, so finding the best one for your texture is paramount to healthy locks - (Getty/iStock)

Some of the best leave-in conditioners have the ability to take your hair from dry and limp to hydrated and silky, so having one in your beauty arsenal really will be worth your while. The problem is, with so many leave-ins on the market – think: products for damaged hair, coloured hair, frizzy hair (the list goes on) – knowing what’s applicable to your strands can leave you feeling weighed under.

Things get even trickier when you’re dealing with multiple hair concerns, such as damage and dryness or, commonly, oily roots and split ends. With this in mind, knowing the ingredients to look out for when shopping can make the selection process 100 times easier – so I called on an industry expert to get the low down.

Speaking to London salon owner Jordanna Cobella, she tells me the merits of leave-in conditioners for professionals: “In salon, we use leave-ins to prep the hair before blow drying or diffusing, to protect from heat and to improve manageability. They are also a great way to layer in treatment benefits between washes, especially for clients with colour or chemical damage.” Of course, Cobella has honed her profession for more than a decade, meaning she immediately knows which products work best for every hair type – and it’s this very expertise I’m relying on.

Below, you’ll find Cobella’s run down of everything to look for when choosing a leave-in, from the key ingredients to the industry jargon on the label.

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Meet the expert

• Jordanna Cobella is a Knightsbridge salon owner (Cobella salon) and two-time London hairdresser of the year. She’s been working in the industry since 2013 and, in that time, has worked on numerous fashion week runway shows and editorial shoots.

How to choose a leave-in conditioner for your hair type

As Cobella explains to me, “It comes down to hair texture, density and condition.” There are a number of things she takes into consideration, including ingredients, on-packaging lingo and the consistency of the product. Breaking down this information by hair type, her recommendations are as follows:

Straight hair

• Ingredients: “Lightweight humectants like glycerin and panthenol are ideal, along with proteins in small amounts to add strength without heaviness.”
• On the label: “Look for terms like lightweight hydration, smoothing, anti-frizz and heat protection. These indicate the product will condition without weighing the hair down or making it greasy.”
• Consistency: “Spray leave-ins are ideal for fine or straight hair as they are lightweight and won’t weigh the hair down.”

Curly hair

• Ingredients: “Ingredients like aloe vera, shea butter (in lighter formulations) and oils such as jojoba or argan help maintain moisture and definition. A balance of moisture and protein is important for elasticity.”
• On the label: “Look for curl defining, moisture boosting, frizz control and elasticity. These suggest the product will enhance natural texture while keeping curls hydrated and flexible.”
• Consistency: “Cream or pump-style leave-ins suit medium to thick hair types, especially curls, as they provide more moisture and control.”

Coily hair

• Ingredients: “Richer ingredients such as shea butter, castor oil and coconut oil help deeply nourish. Bond building ingredients are particularly beneficial here to support strength and reduce breakage.”
• On the label: “Look for deep hydration, nourishment, repair and strengthening. Coily hair tends to be more fragile and drier, so richer, more restorative claims are key.”
• Consistency: “Mask-style leave-ins or treatments are best for very dry, coarse or damaged hair. These tend to be more intensive and often include bond building technology, working deeper within the hair fibre.”

For all three hair types, Cobella adds, “Anything referencing bond repair or strengthening is beneficial, particularly if the hair has been coloured or heat styled regularly.” This is because, she explains, “Bond building technology works within the inner structure of the hair to reconnect broken bonds damaged by colouring, heat and environmental factors. This is very different from standard conditioning, which mainly improves the surface feel.”

Referring back to my guide to the best leave-in conditioners (where I called on additional testers with curly and coily hair), the following products fall in-line with Cobella’s suggestions and proved popular in testing:

Straight hair:

Davines oi all in one milk

Buy now £23.5, Sephora.co.uk

Curly hair:

Mielle Organics white peony leave-in conditioner

Buy now £14.94, Amazon.co.uk

Coily hair:

As I Am Jamaican black castor oil leave-in conditioner

Buy now £7.48, Amazon.co.uk

Is there merit to paying more for a leave-in conditioner?

‘There can be, particularly when it comes to technology and ingredient quality,” reveals Cobella. Elaborating, she tells me how she finds “higher-end formulas often include more advanced bond building systems, better delivery of ingredients into the hair and a more refined finish.”

However, for anyone on a budget, she reassures that “Not every hair type needs to spend more – fine, untreated hair may do perfectly well with a simpler, lightweight formula.” Unfortunately, for anyone with a coarser texture, those suffering damage or individuals with a penchant for a colour appointment you’ll “benefit most from investing in advanced repair and strengthening products,” according to Cobella.

Read more: Best hair bonding treatments for stronger, healthier locks