Scalp care is one of the biggest trends defining hair care innovations in 2019. Scalp specific hair care products are being designed with a crossover from skin to hair care in mind. In this edition of P&C Review, we look at new ingredients and formulation technologies to treat and care for the scalp, enabling healthier, stronger and more beautiful hair. We also share the latest trends in colour cosmetics set to define makeup palettes launching in the summer months and we reveal the stellar sustainability efforts of a handful of ingredients and packaging suppliers.