Buildup-matched shampoo
- Best for
- Removing oil or residue that obscures shine
- Look for
- A regular cleanser plus occasional clarifying only when needed
- Watch for
- Repeated clarifying when dullness is actually dryness or damage
Hair Care By Concern
Get a personalized shine-boosting routine with brightening products chosen by AI.
Shiny hair happens when light reflects uniformly off a smooth, sealed cuticle — think of it like light bouncing off a polished surface versus a rough one. Dull hair has a lifted, rough cuticle that scatters light instead of reflecting it, making hair look flat and lifeless. This can be caused by product buildup, hard water mineral deposits, heat and chemical damage, dryness, or simply using products that coat without smoothing. Restoring shine requires addressing the root cause: if it is buildup, a clarifying treatment removes the dulling film. If it is damage, repairing and sealing the cuticle restores reflectivity. If it is dryness, deep moisture plumps the shaft and smooths the surface. Glossing treatments, lightweight oils, and acidic rinses like apple cider vinegar all help close the cuticle and boost shine. The most effective approach combines proper cleansing to remove what is dulling your hair with smoothing treatments that create a reflective surface. Our AI identifies what is causing your dullness and recommends accordingly.
Use this guide to choose products for your main concern and build them into a repeatable routine. Aim for improvement while protecting hair integrity, so solving one problem does not create another.
Start with the job each product needs to do, then choose a weight and format that fit the scalp, strand thickness, and styling plan. A useful routine rarely needs every category at once.
Keep in mind: Introduce one product at a time, follow its label, and stop if it causes persistent scalp irritation or increased breakage.
Next step
Use the hair routine builder to turn this guide into a wash-day and maintenance plan with product picks matched to your hair.
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