Wash your scalp with shampoo, rinse completely, then apply conditioner from the mid-lengths to the ends and rinse thoroughly.
The right order matters more than most people think. Shampoo removes oil and buildup from the scalp, while conditioner seals moisture into the hair shaft. Getting the sequence wrong—or putting conditioner where shampoo belongs—leaves hair greasy at the roots and dry at the tips. Here’s the routine that works for most hair types.
The Correct Order: Shampoo First, Then Conditioner
Standard rinse-out products follow one sequence: shampoo cleanses, conditioner restores. The New York Times’s hair-wash guidance confirms this classic routine works for typical washing schedules.
Shampoo targets the scalp, where oil and product buildup collect. Conditioner targets the lengths and ends, which lack the scalp’s natural oils and dry out fastest. Swapping the order or skipping the rinse step between them undermines both products.
How To Apply Shampoo The Right Way
Start with thoroughly wet hair using warm or lukewarm water—hot water strips natural oils faster. Squeeze a small amount of shampoo into your palm; most hair needs only a quarter-size dollop, adjusted upward for long or thick hair.
Work the shampoo into the scalp and roots with your fingertips, massaging to lift oil and buildup. Let the suds rinse down through the lengths as you wash—they carry enough cleanser for the rest of the hair. Rinse completely before reaching for conditioner; leftover shampoo can dull shine and irritate the scalp.
How To Apply Conditioner Without Weighing Hair Down
Squeeze excess water from your hair so it’s damp, not dripping. Conditioner needs to cling to the hair shaft, and very wet hair dilutes it, which some hair-care sources say reduces effectiveness.
Apply conditioner mainly to the mid-lengths and ends, keeping it off the scalp and roots by default—those areas already produce oil, and adding conditioner there leaves hair greasy or weighed down. Work it through with fingers or a wide-tooth comb for even distribution.
Leave conditioner on for the time your product label directs. General guidance commonly falls between 1 and 5 minutes depending on the formula and source. Rinse thoroughly with lukewarm or cool water; cooler water helps close the hair cuticle for extra shine.
Common Mistakes That Ruin A Good Wash
Most washing problems trace back to a few fixable errors:
- Conditioner on the scalp by default. Unless the label says the product suits scalp use, keep it below the roots.
- Conditioner on dripping-wet hair. Excess water blocks the product from coating the hair shaft.
- Shampoo left on the lengths too long. Focus it on the scalp and let rinsing handle the rest.
- Incomplete rinsing. Residue from either product leaves hair dull, sticky, or flat.
- Overusing product. More conditioner doesn’t mean softer hair—it means heavier hair.
Product labels override general advice when they differ. A 2-in-1 shampoo-conditioner, for instance, applies to the whole head and hair, not just the scalp, then rinses completely. Some brands also discuss reverse washing—conditioning first, then shampooing—but the standard routine remains shampoo first, conditioner second.
If your current routine leaves roots greasy or ends dry, adjust where each product lands before switching brands. Need a formula matched to textured hair? Browse our tested picks of the best curly-hair shampoo and conditioner pairs.
References & Sources
- The New York Times. “How to Wash Your Hair, According to Experts.” Supports the standard shampoo-first, conditioner-second routine and application techniques.