1. Shampoo: 365 Everyday Value Shampoo from Whole Foods Market. Worth a trip to Whole Foods, this shampoo (which comes in three scents, as well as fragrance-free) cleanses without stripping the scalp. It’s free of parabans, artificial fragrances, and genetically engineered ingredients. ($1.99)

2. Hairstyling product: Dove Intense Damage Therapy Heat Shield Spray. Flat irons, curling irons, and blow-dryers, oh my! Dry and damaged hair gets help from this conditioning spray. How it works: Silicone droplets coat the hair and absorb the heat, so your hair doesn’t have to. ($3.78 )

  3. Deep-conditioning treatment: Garnier Fructis Strength & Repair Instant Melting Masque. This creamy conditioner with a subtle apple aroma uses moisture-carrying lipid molecules (known as ceramides) to repair damage caused by harsh chemical treatments and overuse of styling products, judge Sandra S. Tsao says. Its moisturizing avocado and apricot oils help make dry hair healthy again. ($3.99)

4. Hair conditioner: Biolage Cooling Mint Conditioner. A must-have if you’re prone to breakouts around your hairline. Glycerin controls oil production while a combination of green tea, mallow root, and aqua oils protect against self-imposed stresses like your high-watt blow-dryer. ($14)