The first thing I noticed was the cooling sensation on my scalp when I applied the Tea Tree Mint shampoo and conditioner. It’s great on a hot day or if you need to unwind. Even when I got out of the shower my scalp felt tingly and refreshed. I recommend the OGX Tea Tree Mint Shampoo as the best shampoo for reducing hair loss and promoting growth since peppermint oil has been proven in clinical trials to increase hair growth. If your natural keratin levels are low, your hair can appear dry, frazzled, dehydrated and damaged, which is where the man-made treatment comes in. What is a keratin treatment?

The photograph below shows what the OGX Kukui Oil shampoo and conditioner look like when they come out of the bottle. Key Ingredients Keratin treatments have come on leaps and bounds since first coming to UK salons, so I was sold when Ben at Trevor Sorbie, Covent Garden explained that I could leave the salon without worrying about tying it up into a ponytail hairstyle and causing a kink. Plus the treatment can repair at the same time as straightening.

As well as Kukui oil, this shampo contains rosemary leaf extract. Rosemary has been shown in clinical trials to help stimulate hair growth and reduce hair loss. One study from 2015 showed that rosemary leaf extract was just as effective as Minoxidil for treating hair loss, and even more effective at soothing an itchy scalp.

Keratin is "the main protein in hair, skin and nails", says Jez Barnett, founder of smoothing hair treatment brand, Fabriq Hair. "It makes up to 91 percent of hair and contains 16 different amino acids, with cysteine being the most important one as it creates the sulphur bridges in hair that give it its internal strength," she explains. It can shield hair against humidity which is one of the primary causes of excess frizz. Our hair loses keratin due to the environment around us, heat, styling, sun exposure and brushing, for example, can all deplete the levels of keratin in our hair. Why does our hair need keratin?

Why does our hair need keratin?

Although I couldn’t find any scientific studies which showed that apple cider vinegar strengthened the the hair, I did find a study showing that shampoos with a lower pH level (like an apple cider vinegar shampoo) generate less negative static electricity on the hair. This means less frizz and dryness. Pros