whitening gels = the big guns. stronger than strips, you wear these with trays (like a mouthguard) for actual results. they're what dentists use but you can buy them for home.
heads up:
you NEED trays to use gels. no trays/retainer = can't use this. get custom ones from your dentist or buy boil-and-bite ones online.
teeth might feel weird/sensitive
starting to see results, looking brighter
solid results, 2-6 shades whiter
results last this long (if you don't chug coffee)
Opalescence
type
carbamide
strength
10%
wear time
overnight (8hrs)
sensitivity
low sensitivity
Contains PF (Potassium Nitrate & Fluoride), Sticky viscous formula, 20% water content
Opalescence
type
carbamide
strength
15%
wear time
medium (1-4hrs)
sensitivity
low sensitivity
Contains PF (Potassium Nitrate & Fluoride), Sticky viscous formula, 20% water content
Opalescence
type
carbamide
strength
20%
wear time
medium (1-4hrs)
sensitivity
medium sensitivity
Contains PF (Potassium Nitrate & Fluoride), Sticky viscous formula, 20% water content
Opalescence
type
carbamide
strength
35%
wear time
quick (under 1hr)
sensitivity
high sensitivity
Contains PF (Potassium Nitrate & Fluoride), Sticky viscous formula, Requires refrigeration
Opalescence
type
carbamide
strength
45%
wear time
quick (under 1hr)
sensitivity
high sensitivity
Contains PF (Potassium Nitrate & Fluoride), Strongest concentration, Requires refrigeration
Opalescence
type
hydrogen
strength
6%
wear time
quick (under 1hr)
sensitivity
low sensitivity
Pre-filled trays, No custom trays needed, Contains Potassium Nitrate & Fluoride
Opalescence
type
hydrogen
strength
11%
wear time
quick (under 1hr)
sensitivity
high sensitivity
Pre-filled trays, No custom trays needed, Whitens 4-5 shades
Opalescence
type
hydrogen
strength
15%
wear time
quick (under 1hr)
sensitivity
high sensitivity
Pre-filled trays, No custom trays needed, Contains Potassium Nitrate & Fluoride
Philips Zoom
type
carbamide
strength
10%
wear time
medium (1-4hrs)
sensitivity
low sensitivity
ACP technology, Amorphous Calcium Phosphate, Dual barrel syringe
Philips Zoom
type
carbamide
strength
16%
wear time
medium (1-4hrs)
sensitivity
medium sensitivity
ACP technology, Amorphous Calcium Phosphate, Dual barrel syringe
Philips Zoom
type
carbamide
strength
22%
wear time
quick (under 1hr)
sensitivity
medium sensitivity
ACP technology, Maximum strength, Mint flavor, Dual barrel syringe
Crest
type
hydrogen
strength
10%
wear time
quick (under 1hr)
sensitivity
medium sensitivity
Advanced Seal Technology, Non-slip grip, Whitens 18 levels
Crest
type
hydrogen
strength
14%
wear time
quick (under 1hr)
sensitivity
high sensitivity
Professional strength, Thin concentrated gel, Fastest results
Crest
type
hydrogen
strength
6.5%
wear time
quick (under 1hr)
sensitivity
low sensitivity
Entry level, Proven safety profile, Lower concentration
Auraglow
type
carbamide
strength
16%
wear time
quick (under 1hr)
sensitivity
medium sensitivity
Dental-grade formula, Mint flavor, Made in USA
Auraglow
type
carbamide
strength
22%
wear time
quick (under 1hr)
sensitivity
medium sensitivity
Dental-grade formula, Mint flavor, Made in USA
Auraglow
type
carbamide
strength
35%
wear time
quick (under 1hr)
sensitivity
high sensitivity
Clinically proven, Whitens up to 10 shades, Contains Potassium Nitrate
Auraglow
type
carbamide
strength
44%
wear time
quick (under 1hr)
sensitivity
high sensitivity
Extra strength, For experienced users, Deep stain removal
Smile Brilliant
type
carbamide
strength
22%
wear time
quick (under 1hr)
sensitivity
medium sensitivity
Stiki-Gel formula, Individually sealed with FreshTec, Custom tray system
GLO Science
type
hydrogen
strength
10%
wear time
quick (under 1hr)
sensitivity
medium sensitivity
Guided Light Optics technology, Heat activation, Dentist-designed
Den-Mat
type
carbamide
strength
32%
wear time
quick (under 1hr)
sensitivity
high sensitivity
Professional grade, Little to no sensitivity, Fast results
Venus Visage
type
hydrogen
strength
9%
wear time
quick (under 1hr)
sensitivity
medium sensitivity
Award-winning, 20+ uses, Low sensitivity, Mint flavor