Which red light lamp do i need for collagen?

[Deusmaximus]

What kind of wavelength??
Is this a good one?

45W, 660nm Red Light, LED 850nm Infrared​

https://www.aliexpress.com/item/1005001463842130.html?spm=a2g0o.productlist.0.0.57ba5ddeONMwAP&algo_pvid=null&algo_expid=null&btsid=0b0a556216189176414161853eba9e&ws_ab_test=searchweb0_0,searchweb201602_,searchweb201603_

Or this better?

200W 500W 630nm 660nm Red Light Therapy 810nm 830nm 850nm​

https://www.aliexpress.com/item/4000416921957.html?spm=a2g0o.detail.1000023.13.5895477443rWRK

 

[Jason Voorhees]

Sunbeds is the correct answer

 

[Dainslief]

You want mix of orange and red light.

This one is good.

Orange & Red - Handheld Device - 610nm - 630nm - 670nm - LGS1

The LGS1 is designed with peak absorption in the orange and red wavelengths.

lifegivingstore.com