Every product that earns a spot on our shelves at Sølvi Salon has a story, and the Davines Heart of Glass Liter Bundle has one of our favorites. It started as the bottle our stylists kept reaching for between blonde appointments, the one we found ourselves recommending so often that buying it in liter size just made sense. So we put it where you could grab it too. This is the story of why it exists and why it stays.
Where Heart of Glass Came From
Davines built Heart of Glass for a specific person, the blonde who loves her color but fights to keep it clean. Bleach and lightening sessions strip the hair, leave it porous, and let warmth creep back in fast. Most purple shampoos answer that by going heavy on pigment and leaving strands chalky and dry. Heart of Glass took a different road. It pairs violet toning that neutralizes yellow and brass with fortifying ingredients that help reinforce strands weakened by lightening. The result is the soft, glossy finish that gave the line its name.
Why It Lives Behind Our Chairs in Boise
Boise blondes have a problem that coastal clients do not. Our high desert air is dry almost year round, and that dryness is brutal on lightened hair. Color that already lost moisture in the lifting process keeps losing it to the climate. We watched client after client walk in with brass and dryness six weeks after a flawless toning appointment, and the fix kept being the same routine at home. Heart of Glass holds tone and adds the gloss our dry Idaho air keeps stealing. That is the real reason it sits behind our chairs at 104 S Capitol Blvd, not because a rep talked us into it.
What the Liter Bundle Actually Is
The bundle is the shampoo and conditioner in liter size, the same formulas we use in the studio, just in bottles built to last. At $175, it is not the cheapest way to walk out with purple shampoo. But run the math the way we did. Liter bottles last most blondes the better part of a year, so the cost per wash drops well below the small bottles you replace every couple of months. For a committed blonde, the liter size is the honest value. You can see the full Heart of Glass Liter Bundle on our site.
How We Tell Clients to Use It
Keep it simple. Massage the shampoo into wet hair, leave it on two to three minutes, then rinse. The leave-on time is where the toning happens, so do not rush it. Follow with the conditioner. We tell most of our blondes to use it once or twice a week and a regular gentle shampoo the rest of the time, because daily violet toning can build up and go too cool. If your color is leaning warm, lean into it more often. If it is sitting cool and clean, ease off.
Who It Is Not For
Honest part. If your hair is natural, dark, or unlightened, this bundle is not for you. The violet pigment does nothing for hair that has no warmth to cancel, and you would be paying for toning power you will never use. The liter size is also a real commitment. If you are a new blonde still deciding whether you will stay light, start with a small bottle first and size up once you know this is your routine. And if your hair runs dry but you are not blonde, a moisture system will serve you better than a toning one.
Come Talk to Us First
The best way to know if Heart of Glass fits your hair is to let us look at it. Blonde maintenance at home works far better when it is paired with the right salon schedule, and that starts with a conversation about your color and your goals. Browse what we offer on our services page, then book an appointment with one of our stylists. We will tell you honestly whether this bundle belongs in your shower, and if it does, we will show you exactly how to use it for your hair.