The Best Hair Treatments & Oils

• Quick routine: four minutes on towel-dried hair, no rinsing
• Patented K18PEPTIDE targets bleach, color, chemical and heat damage, per the brand
• Many bleached and chemically treated hair reviewers report noticeably stronger, softer hair

• $75 for 50 ml is expensive
• Must go on unconditioned hair, which changes most wash-day routines

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• Reliable smoothing, shine and detangling on damp or dry hair
• Versatile: styling primer, finishing oil and mask booster
• A little goes a long way per application

• Silicone-based, with argan oil a minor ingredient
• $50 for 100 ml is expensive next to look-alike drugstore oils

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• Inexpensive at $24 for 60 ml
• Lightweight, fragrance-free, silicone- and alcohol-free leave-on formula
• Combines several peptide complexes with caffeine in one serum

• Cosmetic claims only; not a replacement for medical hair-loss treatments
• Needs nightly application for months before any change is visible

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• Combines hydrolyzed proteins and moisturizing oils for dry, damaged hair
• Brand cites reduced breakage in 10 minutes and up to 2x stronger hair after three uses
• Silicone-free, vegan and Leaping Bunny certified

• Contains several hydrolyzed proteins, which protein-sensitive hair may not tolerate
• Requires at least 10 minutes on the hair

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• Very affordable at about $10
• Multi-use: scalp massage oil, pre-wash treatment and split-end oil
• Pleasant cooling mint sensation that many users enjoy

• Growth reputation rests on anecdotes, and the rosemary level is undisclosed
• Heavy castor and soybean oil base can weigh down fine hair

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• Fans report sleek, glossy, less tangly hair from a few drops
• Brand cites heat protection up to 450°F/230°C
• A small bottle lasts a long time because only drops are needed

• Mostly silicones, so it coats rather than deeply treats hair
• Some users find it sticky or heavy, or say it did little for frizz

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