In 1971 L'Oréal Paris launched a hair line in France called Elsève. According to a brand history in La Revue des Marques, it started with a conditioning, detangling balm sold in small green single-dose bottles, and the shampoo arrived a year later, in 1972. The name comes from sève, the French word for sap, specifically birch sap, which the early ads promised would bring new life to your hair.

In the UK and the US the line is called Elvive, a name L'Oréal brought in when it relaunched the brand in Britain in 1997. So if a French friend calls it something else, that is why.

More than fifty years later, L'Oréal Elvive shampoo is organized the way a skincare aisle is. Each family is named for what it does or what it contains: Total Repair 5 for damage, Dream Lengths for long hair, Hyaluron + Plump for dry hair, Glycolic Gloss for shine. That makes it one of the easiest drugstore lines to shop, because the problem is written right on the front.

The first grid is eight Elvive shampoos, one for nearly every hair problem. The second is the conditioners, the Wonder Water rinse and the serums that go with them.

Before you buy, look at your ends in daylight. Split, dull or dry ends tell you more about which family you need than how your roots feel after a wash.

Here is the short version of each bottle.

Total Repair 5 Repairing Shampoo is the black bottle and the one most people picture. It is part of a system built around a protein repair concentrate, for hair that has been colored, heat styled or just lived in. If your damage is more serious, Total Repair Extreme is the stronger sibling, made for over-processed hair.

Dream Lengths Restoring Shampoo is for long hair with split ends, with a mix of vitamins and castor oil. Hyaluron + Plump Hydrating Shampoo uses hyaluronic acid for dry, dehydrated hair that still needs to move. Its oily-root cousin, Hyaluron + Pure, promises 72 hours of fresh roots. That is a bold claim, but it is a good pick if you wash every day and would like to stop.

Glycolic Gloss Shine Boosting Shampoo borrows glycolic acid from skincare to help dull, porous hair reflect light. Color Vibrancy Protecting Shampoo is for color-treated hair, with an antioxidant and UV system meant to slow fading. Volume Filler Thickening Shampoo uses an ingredient the brand calls Filloxane, which it says expands the hair fiber for fuller-looking hair.

What I would skip: switching families every time you buy a new bottle. Elvive is designed as systems, so pick the one that matches your main problem and stay with it for a month before you judge it.

The second grid is where Elvive has been most inventive lately.

The 8 Second Wonder Water is the one to know. It is a liquid rinse-out treatment built on what L'Oréal calls lamellar technology. You smooth it on after shampoo, wait about eight seconds, and rinse. Glamour UK reported that it was the country's number one hair product launch of 2021. The texture feels like water, which is strange the first time, but hair comes out slippery and shiny.

For conditioners, there are Total Repair 5, Dream Lengths and Glycolic Gloss versions, each matched to its shampoo. The Dream Lengths one is sold as a super detangler, and on long hair it lives up to that.

The Total Repair 5 Power Restore Multi-Use Treatment is a big tub that works as a mask or a rich conditioner. The Glycolic Gloss High Shine Leave-In Serum and the Hyaluron + Plump Moisture Replumping Hair Serum go on damp hair before styling. The Hyaluron + Pure Oil Erasing Pre-Shampoo Scalp Serum is the odd one out, since it goes on your scalp before you wash, to help with oiliness.

A pairing tip: Wonder Water can stand in for conditioner on fine hair. On thick or curly hair, use it after conditioner instead.

What I would skip: the scalp serum if your roots are not actually oily. It is a targeted fix, not a daily step.

I think L'Oréal Elvive shampoo is at its best when you treat it like the skincare it borrows from. Name one problem, buy the shampoo and conditioner from that family, and add a single treatment like Wonder Water or a serum. The line started in 1971 with a balm in a tiny green bottle and a promise about birch sap. The idea is still the same: small daily steps for hair that feels alive. It is also one of the few drugstore lines where the conditioner is as good as the shampoo, so buy them as a pair.