Skip to product details

Cristal Hair Erraser

-- Live visitors
4.5/5 star 5117 High Quality Sleepers
$87.00 $29.99 80% OFF

Natural Support For Your Body’s Circadian System

Blue light from your screens, and inconsistent light exposure can keep your circadian rhythm out of sync even when you’re doing everything else right. OFFBLUE™ Red Lens Glasses are engineered with lenses tuned to filter the harshest blue wavelengths, naturally supporting the conditions your body needs to wind down. Filtering blue light has been traditionally used by BioHackers and Professional Athletes as part of a complete evening protocol and may be a helpful addition to your nightly stack.

  • Kill Fear Of Non Sleeping
  • Don’t Mind Again Using any screen Over Night
  • Start Feeling Rested Every Morning
  • Tell your eyes is time to sleep!
Your lack of willpower isn’t the problem. Your eyes are still being told it’s daytime.
⚠️ LIMITED INVENTORY AVAILABLE Hurry! Offer expires in --:--:--

I've been struggling with sleep for years and these glasses have honestly been a game changer. I started wearing them an hour before bed and within a few days I noticed I was falling asleep so much faster. I used to lie awake for hours staring at the ceiling, now I'm out within minutes. My sleep feels deeper and I actually wake up feeling rested for the first time in a long time. 100% worth it.


Adrian M. | Verified

I am very satisfied with these glasses. They are extremely comfortable to wear for hours before bed while using my phone or watching TV, and they feel very soothing to the eyes. But the biggest difference has been my sleep I fall asleep so much faster now and I actually wake up feeling rested. I did not expect such a big change from a pair of glasses. Highly recommend.


Sam T. | Verified

I noticed significantly less eye strain after screen use. Vision remains sharp, and color perception stays consistent without any uncomfortable distortion. This makes them useful for schoolwork, gaming, and general computer-related activities.


Karina. | Verified
Tracked shipping Secure payment 30-day returns

Cristal Hair Erraser

block 99% of blue light from your screen and start getting sleep deeper like a baby again

How to use OFFBLUE

Use them 30 minutes before bed. Wear them while scrolling, watching TV, or working late. OFFBLUE Red lens Glasses block the blue light that suppresses your melatonin letting you getting sleep like a baby again.

Get my pair

Deeper sleep

Recover your melatonin levels at night

Reduce your Eye Strain

While keeping the same focus at night

Feel well rested every morning

And skip caffeine adiction

No headaches

0% Screen related migraines.

Get my pair

And take care of your Eyes while keeping your style!

Not all blue light blockers are created equal.

With Glasses Without Glasses Without Glasses With Glasses

Without OFFBLUE™

  • Bright artificial light reaching your eyes at night
  • Phone settings that only change one screen
  • No clear boundary between screen time and bedtime
  • A busy evening environment that still feels like daytime

With OFFBLUE™

  • Reduces evening blue-light exposure
  • Works across phones, televisions, and household lighting
  • Easy to wear during the final 30 minutes before bed
  • Helps create a calmer evening wind-down routine

FAQ's

Purpolize OFFBLUE uses maximum-density filter technology that blocks the full spectrum of harmful blue light at night. It's not marketing it's optical physics.

Absolutely. Purpolize are full-frame glasses that work over any type of contact lens without interference.

We ship from Netherlands. You'll receive your order in 3 business days depending on your location. Free shipping on orders over

$30.00 .

30 day no questions returns. If you're not satisfied, we'll refund you in full.

Both have exactly the same lenses and level of protection. The difference is purely aesthetic: matte black frame for a classic look, clear frame for a more modern style.

Featured Reviews

I've been struggling with sleep for years and these glasses have honestly been a game changer. I started wearing them an hour before bed and within a few days I noticed I was falling asleep so much faster. I used to lie awake for hours staring at the ceiling, now I'm out within minutes. My sleep feels deeper and I actually wake up feeling rested for the first time in a long time. 100% worth it.

I am very satisfied with these glasses. They are extremely comfortable to wear for hours before bed while using my phone or watching TV, and they feel very soothing to the eyes. But the biggest difference has been my sleep I fall asleep so much faster now and I actually wake up feeling rested. I did not expect such a big change from a pair of glasses. Highly recommend.

I noticed significantly less eye strain after screen use. Vision remains sharp, and color perception stays consistent without any uncomfortable distortion. This makes them useful for schoolwork, gaming, and general computer-related activities.

Cristal Hair Erraser
$29.99