Because now soft, brittle fingernails I guess since 4 weeks daily scoop -. Mixed with mineral water - this "balm" a. Unfortunately, so far is still no effect in terms of strength, etc. occurred, so I can not give the time better rating. The nails are dry, brittle, cracked, splintering. I'm the product (I had ordered an extra 2 bottles) consume and share the results at a later date by an additional review. Basically, I am no longer convinced of a possible impact.