How whitening really works, how to read a shade like a professional, and how to know which clients are ready today.
Lesson 1 of 5 | 12 min read
2 to 8
Shades lighter
$99
Per session
6 to 12
Months of results
The short version
Whitening is not magic. It is chemistry.
The professionals who understand it set honest expectations, deliver visible results, and earn clients for life.
Professional whitening uses a peroxide gel that releases oxygen into the tooth. That oxygen breaks large, dark stain molecules into small, light ones, so teeth look whiter without removing enamel. Most clients see 2 to 8 shades lighter in a single session.
In this lesson you will learn
Why teeth change color, and which stains lift best
The chemistry inside the gel and what the LED light does
How to read the shade guide like a professional
What results to promise, and what never to promise
Who is ready to whiten today, and your role as a cosmetic provider
Chapter I
Why teeth change color
Every client who sits in your chair has a reason their smile looks darker than they want. Know the reason and you know what result to promise before the light ever turns on.
Extrinsic
Surface stains
Coffee, tea, red wine, cola, berries, sauces, and tobacco. If it would stain a white shirt, it can stain teeth.
The fastest results
Intrinsic
Deeper stains
Age thins the enamel so the yellower layer beneath shows through. Genetics and some childhood medications cause gray or banded color.
Age yellow lifts well. Gray lifts slowly
Pro read: yellow and brown respond the most. Gray responds the least. Clients with gray or banded medication stains should check with their oral health professional first.
Chapter II
The chemistry inside the gel
BleachBright whitening gel is peroxide based, using hydrogen peroxide or carbamide peroxide, which breaks down into hydrogen peroxide. Either way, the peroxide releases oxygen, and that oxygen does the whitening. Nothing is scraped, sanded, or removed.
Plate 1 | Inside the enamel
01
Gel activates
The peroxide in the gel begins releasing oxygen on contact with the teeth.
02
Oxygen moves in
It travels through microscopic pores in the enamel to reach the stains.
03
Stains break apart
Large dark molecules become small light ones that reflect more light.
What the LED light does
Blue light helps activate the gel during the session. It is a cool light, so it does not heat the teeth. Protective eyewear goes on before the light turns on, every time.
Natural teeth only
Whitening lifts stains. It cannot pass a client's natural shade, and it does not change caps, crowns, veneers, fillings, or bonding but they will appear brighter as the surface stains relieve.
Chapter III
Reading the shade guide
The shade guide is your proof. Your kit includes the R-20 Bleaching Shade Guide: 20 shades from S2, the lightest, to S40, the darkest. When a client sees where they started, then sees how far they moved by the end of the session, they believe the result and tell their friends.
R-20 Bleaching Shade Guide
From S28 to S16: 6 shades lighter in 1 session
Before: S28After: S16
S2
S4
S6
S8
S10
S12
S14
AFTER
S16
S18
S20
S22
S24
S26
START
S28
S30
S32
S34
S36
S38
S40
S2 is the lightest shade and S40 the darkest. Your kit includes the R-20 Bleaching Shade Guide.
1
Read in regular light
Never check the shade under the blue LED. It makes every tooth look whiter than it is.
2
Match the upper 2 front teeth
These are the teeth people see when the client smiles.
3
Read the middle of the tooth
Edges look clear and the gum line looks darker. The middle holds the truest color.
4
Remove lip color
Bright lipstick beside the teeth changes how the shade reads.
5
Decide in 5 seconds
The eye adjusts the longer it stares. The first match is usually the right one.
6
Photographs
We recommend not taking photos as the lense, light, angle, etc. come into play. Using the shade guide is best. You can however choose to take some photos for your website or social media.
Clients are rarely unhappy with the result. They are unhappy when they were told to expect something different. Use these facts every time.
Results
Most people see 2 to 8 shades lighter. Darker starting shades show the biggest change.
Longevity
6 to 12 months is normal. Daily maintenance products keep it bright longer.
Sensitivity
Some people feel a light tingle. It fades within a few hours to 24 hours.
Gums
A white edge can appear where gel touched the gums. It fades within a few hours.
White spots
Small chalky spots can appear right after. They usually blend in within 24 hours.
Aftercare
For 24 hours, skip coffee, tea, cola, red wine, berries, and red sauces. A bluminerals session helps protect the result and omits this rule.
Repeat sessions
Safe in 24 hours as long as teeth are not sensitive from the last session. Wait 48-72 hrs. for a 3rd whitening with a pre-filled tray.
Never say: "You will get 8 shades," "This will fix your teeth," or "It lasts forever." Give the range 2-8 shades, keep it cosmetic, and say lasts 6 to 12 months.
Chapter V
Who is ready today
Most adults with healthy teeth and gums are excellent candidates. Before every session, your client reads the warnings printed on their BleachBright kit and decides if the session is right for them. You never make a health call.
Ready today
Adults 18 and over
Healthy teeth and gums
Yellow or brown stains
Natural front teeth
Check first
Decay or exposed roots
Gum problems
Braces
Recent oral surgery
Gray medication stains
Client checks with their oral health professional.
Not today
Under 12
Pregnant or nursing
Light-sensitive medication
Peroxide or glycerin allergy
Sensitive from the last 24 hours
Ages 12 and under: a parent or guardian must be present and agree to the session.
Before every session
Read the kit warnings together
Hand your client their sealed kit and have them read the warnings on the box. Then walk through these 6 quick checks so you both know the session is a good fit.
1
Are you pregnant or nursing?
Yes: not today
2
Do you take medication that makes you sensitive to light?
Yes: not today
3
Are you allergic to carbamide peroxide, hydrogen peroxide, or glycerin?
Yes: not today
4
Do you have tooth decay, gum problems, exposed roots, braces, or recent oral surgery?
Yes: check first
5
Do you have caps, crowns, veneers, or fillings on your front teeth?
Yes: set expectations
6
Have you whitened in the last 24 hours, and are your teeth still sensitive?
Yes: come back later
Chapter VI
Your role as a cosmetic provider
BleachBright whitening is a self-administered cosmetic product. The client applies it. You provide the space, the chair, the light, and the product.
Hands off
Never touch the client's mouth. The client opens the kit, applies the product, and removes it.
No health advice
Questions about teeth or gum health go to the client's oral health professional.
Beauty, not clinical
No scrubs or lab coats. You run a cosmetic service, like a salon or spa.
The right words
Say "session" and "client." Avoid "treatment," "patient," and "procedure."
Lesson 1 in 5 lines
Yellow and brown lift best. Gray lifts least.
The gel breaks stains apart. The enamel stays in place.
Read shades in regular light, never under the LED.
Promise a range of 2 to 8 shades, never a number.
The client reads the kit warnings. You never make a health call.
Knowledge check
Test yourself
Answer in your head, then tap to reveal. Each topic appears on the final certification exam.
Which stains respond best to whitening?
Yellow and brown surface stains from coffee, tea, wine, and tobacco.
Where should you read a client's shade?
In regular light, on the middle of the upper 2 front teeth. Never under the LED.
A client has a crown on a front tooth. What do you say?
The crown keeps its current color. Whitening works on natural teeth only but will relive staining on the surface.
A client says she is nursing. What happens?
No session today. Invite her back when she is no longer nursing.
A client asks if a tooth looks unhealthy. What do you say?
Refer them to their oral health professional. You provide cosmetic whitening only.
What result do you promise?
A range, not a number. Most people see 2 to 8 shades lighter.
Your finish line
Earn your certificate
Complete all 5 lessons and pass the final exam. Your official Certified BleachBright Whitening Technician certificate is issued in your name and ships with your first BleachBright order.
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