• General

  Replacement of Biotin in anti-aging hydra serum

  Posted by sobia on September 19, 2020 at 12:16 pm

  keratin or collagen? which one is better as a replacement of biotin as I’m unable to find biotin?

  OldPerry replied 4 years ago 2 Members · 1 Reply
• 1 Reply

• 

  OldPerry

  Member

  September 19, 2020 at 3:57 pm

  What’s your marketing story?
  From a performance standpoint, I doubt you’ll see any difference in any of those materials.

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