L'Oréal Paris began rolling out EverPure in early 2009, according to Drug Store News. It was a line of sulfate-free color-care hair products, and the trade report described it as free of the harsh sulfates, surfactants and salts that can strip and dull color-treated hair. That promise is still the heart of the line.

You will see it spelled EverPure on the bottle, and most people search for L'Oréal Ever Pure shampoo, so both are the same line. The idea has stayed simple for more than fifteen years: gentle cleansers that help color last. L'Oréal says the Moisture shampoo keeps color pure for up to four weeks.

What has changed is how much the line now does. There are EverPure shampoos for toning, bond repair, gloss, frizz, thickening and clarifying, and most come with a matching conditioner and a treatment. It has quietly become one of the most complete drugstore lines for colored hair.

The first grid is eight EverPure shampoos, starting with the Brass Toning Purple Shampoo, which is the one I would reach for first if you are blonde or lightened. The second is the conditioners, a glossing mask and four treatments.

My tip for colored hair: wash with lukewarm water, not hot. Stylists have said it for years, and it is the easiest habit for keeping color from fading faster than it should, whatever shampoo you use.

Brass Toning Purple Shampoo is the centre of this edit. It protects color and neutralizes brassy and orange tones in color-treated blonde, lightened and grey hair. Use it once or twice a week, alternating with a regular EverPure shampoo.

Moisture Shampoo is the original idea updated, now with rosemary, for color-treated, dry hair that needs moisture without weight. Bond Repair Shampoo strengthens hair by reinforcing weak bonds, which makes it the pick for bleached or heat-damaged hair. Glossing Shampoo smooths and intensifies shine on dull, dry color.

Clarify Shampoo removes buildup while adding moisture, according to the brand, so it is a gentler clarifier than most. Iron Sleek Smoothing Shampoo is for frizz-prone hair and humidity, and it suits anyone who flat irons often. Frizz Defy Shampoo also fights frizz and humidity while protecting color. Thickening Shampoo strengthens breakage-prone color-treated hair, and it is the one I would pick if your ends snap when you brush.

A test for toning shampoos: leave the purple shampoo on for one minute the first time, then check your color in daylight. Add a minute each wash until the brass is gone.

What I would skip: using Clarify in the same week as a fresh color appointment. Give new color a week or two before any clarifying wash.

Bond Repair Conditioner is the partner to the bond shampoo, reinforcing weak bonds inside and out. The Brass Toning Purple Conditioner keeps toning while it conditions, and the Glossing Conditioner smooths and adds shine.

The Glossing Lamination Hair Mask is the richest thing here, a weekly mask that smooths and intensifies shine for dry, dull color. It pairs naturally with the Glossing shampoo and conditioner, and ten minutes under a shower cap makes it feel like a salon gloss.

Then there are four treatments, and they are where EverPure has been busiest lately. The Bond Repair Pre-Shampoo Treatment uses citric acid and goes on before you wash, to rebuild weak bonds inside the hair. The Bond Repair Oil-in-Serum strengthens bonds and helps prevent future breakage. The 21-in-1 Color Caring Leave-In Spray is a vegan multi-benefit leave-in that primes and protects. The Iron Sleek Coat treats frizz-prone hair for humidity control, and it is the one to use before you pick up a flat iron.

A pairing tip for damaged, colored hair: pre-shampoo treatment, Bond Repair shampoo and conditioner, then the Oil-in-Serum on damp ends. That is a full bond routine without a salon visit.

What I would skip: the 21-in-1 spray and the Oil-in-Serum on the same day if your hair is fine. One leave-in is plenty.

I think L'Oréal Ever Pure shampoo is a good reminder that sulfate-free color care does not have to be complicated. The line has been doing the same job since 2009, and it keeps adding smart updates like bond repair and lamination. Start with the Brass Toning Purple Shampoo if you are blonde, or Moisture if your color is darker, then add a mask once a week. Wash cool, and let the color last. Your next color appointment will feel a lot less urgent.