Professional Teeth Whitening Gel | 16%–44% HP | LaserGlow
Professional Hydrogen Peroxide Teeth Whitening Gels
Clinic-grade hydrogen peroxide whitening gels in 16%, 25%, 35%, 36%, and 44% concentrations. Formulated for dentists, dental hygienists, med spas, salons, and licensed whitening technicians. Gingival barrier required for 35%+.
Shop by Strength
All LaserGlow hydrogen peroxide whitening gels are designed for professional chairside use. Select the strength appropriate for the client case, stain level, and treatment protocol.
16% Hydrogen Peroxide Gel
Lower sensitivity formula for first-time whitening clients and providers starting out. Gentle strength with professional results.
Shop 16% HP → Most Popular25% Hydrogen Peroxide Gel
The balanced professional strength. Strong enough for visible results, manageable for most clients. The workhorse gel for med spas and salons.
Shop 25% HP → Advanced35% Hydrogen Peroxide Gel
Dentist-grade strength for stubborn staining. Gingival barrier required. For trained providers with proper isolation protocol.
Shop 35% HP → Dual-Barrel System36% HP Dual-Barrel Gel
Fresh-mix dual-syringe system. Components activate at the tip for maximum potency at placement. Advanced professional workflow.
Shop 36% HP → Maximum Strength44% Hydrogen Peroxide Gel
Maximum-strength professional whitening gel. Dual-barrel format. Gingival barrier required. For complex cases and experienced providers.
Shop 44% HP → Best ValueProfessional Starter Kit
Everything you need to launch a professional whitening service. Includes gel, gingival barrier, LED equipment, and training materials.
View Starter Kit →Which Hydrogen Peroxide Strength Is Right for Your Practice?
Choosing the right gel concentration depends on stain type, client sensitivity, your experience level, and the whitening outcome you're targeting. Use this table to match gel strength to case type.
| Strength | Best For | Sensitivity Level | Gingival Barrier | Clients/Syringe |
|---|---|---|---|---|
| 16% HP | First-time clients, sensitivity-prone, lighter staining | Low | Recommended | 2–3 |
| 25% HP | Routine chairside whitening, most client types | Moderate | Recommended | 2–3 |
| 35% HP | Stubborn staining, experienced providers, advanced cases | Moderate–High | Required | 2–3 |
| 36% HP Dual-Barrel | Advanced cases, fresh-mix precision workflows | Moderate–High | Required | 2–3 |
| 44% HP Dual-Barrel | Complex cases, intrinsic staining, maximum results | High | Required | Up to 3 (5 mL) |
Built for Professional Whitening Providers
LaserGlow professional hydrogen peroxide gels are used by whitening providers across multiple settings. Whether you run a single-chair salon or a multi-location dental practice, these gels are designed around clinical workflow.
Complete Your Professional Whitening Setup
Professional whitening gel is only part of a complete chairside whitening service. These supplies pair with every HP gel in the LaserGlow lineup.
Gingival Barrier
Professional gum protector gel. Light-cure formula. Required when using 35%, 36%, or 44% HP whitening gel.
Shop Gingival Barrier → AftercareDesensitizing Gel Pen
Post-whitening sensitivity relief and enamel remineralization. Standard aftercare for professional whitening sessions.
Shop Desensitizer → Maintenance44% CP Whitening Pen
Carbamide peroxide pen for client home maintenance and professional touch-up treatments between sessions.
Shop CP Pen → Full CatalogAll Pro Whitening Supplies
LED machines, cheek retractors, consent forms, trays, and complete professional whitening accessories.
Shop All Supplies →Professional Whitening Gel FAQ
What is the best professional teeth whitening gel concentration?
The best concentration depends on the client case. 25% HP is the most commonly used chairside strength for routine professional whitening. 35% and 44% HP are reserved for stubborn staining and complex cases with proper isolation. 16% HP suits sensitivity-prone clients and providers new to professional whitening.
For most med spas, salons, and whitening studios running routine services, 25% HP is the starting recommendation — strong enough for visible results, manageable for a wide range of clients. See the full strength guide for clinical selection criteria.
Do I need gingival barrier with professional whitening gel?
Gingival barrier is required for 35%, 36%, and 44% hydrogen peroxide whitening gels. It is strongly recommended for 25% HP as well. For 16% HP, it is recommended but the soft tissue risk is lower. Gingival barrier should be placed before gel application, light-cured, and checked for coverage before the whitening session begins.
See the isolation and soft tissue protocols page for the complete procedure. Using professional HP gel without gingival barrier at concentrations above 25% is a safety protocol failure, not just a best practice issue.
How many clients can one syringe of whitening gel treat?
LaserGlow 16%, 25%, and 35% HP syringes are 1.2 mL and typically treat 2–3 clients per syringe with controlled application. The 44% HP dual-barrel syringe is 5 mL and can treat up to 3 clients per syringe. Actual yield depends on application thickness, arch coverage, and whether you're treating both upper and lower arches per session.
Detailed yield data by product: How Many Clients Can One Syringe of Whitening Gel Treat?
What is the difference between hydrogen peroxide and carbamide peroxide for whitening?
Hydrogen peroxide is the faster-acting of the two. Carbamide peroxide breaks down into hydrogen peroxide over time — roughly one-third of its concentration becomes active HP. A 36% carbamide peroxide gel contains roughly 12% active hydrogen peroxide. HP gel is preferred for chairside professional whitening; carbamide peroxide is more commonly used for extended home tray whitening because its slower release makes it more tolerable overnight.
Full comparison: Hydrogen Peroxide vs Carbamide Peroxide Whitening Gel
Is professional teeth whitening gel safe?
Professional hydrogen peroxide whitening gel is safe when used by trained providers following complete whitening protocols — proper client screening, correct gel selection, full gingival barrier placement, controlled application timing, and post-treatment aftercare. Risks increase when protocol steps are skipped, when gel strength is mismatched to the case, or when soft tissue isolation is inadequate.
Detailed safety guidance: Professional Whitening Safety & Compliance Guide and Does Professional Teeth Whitening Damage Enamel?
What is a dual-barrel whitening gel?
A dual-barrel whitening gel uses a two-chamber syringe where separate components are kept apart until the moment of application. When the syringe is expressed, the components mix at the mixing tip and activate at full potency right at placement. This preserves the active HP concentration until it is needed, which is especially valuable at 36% and 44% concentrations.
Full comparison: Dual-Barrel vs Single-Syringe Whitening Gel: Cost Calculator
Does leaving whitening gel on longer improve results?
Not reliably. Professional whitening results are primarily determined by gel concentration, application quality, isolation, and case selection — not by extending contact time beyond the recommended protocol. Leaving gel on longer than indicated can increase sensitivity and gum irritation without delivering proportionally better whitening.
Full explanation: Does Leaving Whitening Gel on Longer Work Better?
Can I use professional whitening gel on clients with veneers or crowns?
Hydrogen peroxide whitening gel does not change the shade of porcelain veneers, crowns, bonding, or other restorations. It only affects natural tooth enamel and dentin. Whitening around existing restorations can create a shade mismatch if the natural teeth lighten while the restorations stay the same color.
