Why Boots Shoppers Are Raving About the £15 John Frieda Hair Growth Serum on Offer Sunday, January 25, 2026 boots hairgrowth serum johnfrieda biotin scalpcare hyaluronicacid hairloss haircare beauty Boots customers are singing the praises of the John Frieda PROfiller+ Hair Growth Scalp Serum, especially now it’s available as part of a 3-for-2 deal, making it more affordable. Normally priced at £14.99 for 50ml, this serum … Read More