Hair loss? dry skin? and other skin problems? We got you covered! Lets visit the world of magical biotin, get the necessary information about its sources. deficiency and all other wonders in this video.TIMELINE: 0:00 Introduction 0:24 Why is Biotin required? 0:50 Sources 1:50 Signs and symptoms of deficiency of biotin 2:05 Hair loss 2:40 Dry skin 3:06 Dermatitis 3:58 Conjunctivitis 4:10 Paresthesis 4:27 Loss of motor control 4:38 Decreased muscle tone 4:55 Lethargy, Depression and Hallucinations 5:20 Seizures 5:53 Developmental delay