Take out the blue.

Blue light tells your brain to stay awake. Our lenses filter it out in four strengths, from a light daytime layer to a full block before bed - so you can wind down without giving up your screens.

Blue end

Red end

Filtered out

What reaches your eyes

Select a lens to see what it filters

Shop Crystal Lens
Shop Yellow lens
Shop Orange lens
Shop Red lens

For better sleep

Screens keep you wired. Solst helps you wind down.

The problem

Screens drain your sleep hormone

55 %

Melatonin reduction

Less melatonin after reading on a screen before bed.

Chang et al., PNAS, 2015

The fix

Orange lenses protect it

46 %

Blue light blocked

The melatonin drop from bright night light is blocked.

Sasseville et al., J. Pineal Research, 2006

The result

More sleep, every night

+ 30 min

Extra sleep

For poor sleepers wearing amber lenses 2 hrs before bed.

Shechter et al., J. Psychiatric Research, 2018

When to wear which lens