There are many factors that can cause hair loss, thinning and shedding, from age to stress to hormones to medication and medical treatments like chemotherapy. But shoppers who have experienced bald spots, hair loss and thinning are heaping praise on a 'life changing' hair serum that has given shoppers confidence back with new growth and thicker, healthier hair - including Strictly's Amy Dowden. The Hair Growth Serum from UKLASH is the UK’s number one best-selling hair growth serum, reportedly,