This is the best silicon that is now on IHerb, premium quality. Sometimes there are discounts of up to 50% on it - I buy 5 cans in such shares. One of the few drugs that positively affects not only hair growth, but also the saturation of pigment in them, thus reduces the amount of gray hair at regular intake. If this supplement is expensive for you, I advise you to look at the drops from California Gold Nutrition ( Holin and Silicon Complex, bioavailable and stabilized silicon ( in the form of orthoxymalic acid, OSA ) to support collagen ). Love yourself and take care of your health!
I used one small bottle of liquid Biosil silicon and choline formula and noticed an improvement in the strength of my nails. When the bottle was finished I started taking this product. After 3 weeks I feel a noticeable improvement in the strength of my nails, above what I had achieved on Biosil. This formula has biotin added. So I presume it aids the other ingredients.