J**
Verified purchase
I think they need to provide tutorials how to lock /unlock, and how to apply on hair with the current product design.
This leave-in tonic soothes and revitalises the scalp, energising hair follicles and strengthening for optimal health.
This leave-in tonic soothes and revitalises the scalp, energising hair follicles and strengthening for optimal health. The advanced built-in soft silicone massager boosts absorption and vitality, promoting fuller, denser hair while delivering hydration and shine.

I think they need to provide tutorials how to lock /unlock, and how to apply on hair with the current product design.
Not bad. Works on me after using few months?
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