SKU: 19922615211

TR:T 205 - AZELAIC ACID + NIACINAMIDE SERUM

Sale price$12150.00 Regular price$13500.00
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Ships within 48 hours · Estimated delivery Aug 5 - Aug 10

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Description

TR:T 205 - AZELAIC ACID + NIACINAMIDE SERUMThe Tr: t 205 A N contains a unique combination of tyrosinase inhibiting Azelaic Acid & PAD Azelaic derivative + Vitamin B3 Niacinamide in a combined 20% to effectively address textured skin concerns. Ingredients: Water (Aqua), Ethoxydiglycol, Propanediol, Propylene Glycol, Azelaic Acid 10%, Potassium Azeloyl Diglycinate 5%, Niacinamide 5%, N'Acetyl Glucosamine, Dimetylisosobide, Xanthan Gum, Polyacrylate Crosspolymer 6 (Sepimax Zen), Phenoxyethanol

The Tr:t 205 A-N contains a  unique combination of tyrosinase inhibiting Azelaic Acid & PAD Azelaic derivative + Vitamin B3 - Niacinamide in a combined 20% to effectively address textured skin concerns. 

Ingredients:

Water (Aqua), Ethoxydiglycol, Propanediol, Propylene Glycol, Azelaic Acid 10%, Potassium Azeloyl Diglycinate 5%, Niacinamide 5%, N'Acetyl Glucosamine, Dimetylisosobide, Xanthan Gum, Polyacrylate Crosspolymer-6 (Sepimax Zen), Phenoxyethanol (and) Ethylhexylglycerin (Optiphen Plus)

Shelf life: Use serum within 6 months after seal is broken. 

This buffet can be transformative because it is; 

  • Comedolytic, antimicrobial, anti-inflammatory properties for acne, breakouts and rosacea, 
  • Anti-pigment because it blocks tyrosinase thus making it an amazing product for treating and preventing hyperpigmentation,
  • Antibacterial antioxidant for decongesting the pores.
  • Combats free radicals = less signs of early skin aging. 

The results? 

  • Brighter, clearer skin.
  • An even skin tone.
  • Exfoliates the skin gently while maintaining skin's moisture and balance. 
  • Better skin texture.
  • Topical therapy for mild to moderate papulopustular rosacea.

How to use:

  • Use Tr:t 205 as a pm serum 4 times a week and build up gradually to daily use after 8 weeks.
  • Use with a gentle cleanser and a barrier repair moisturizer. 
  • If you use for am routine, please use a sunscreen!!!
  • Do not pair serum with AHA or BHA as it may lead to over drying and over sensitivity. 
  • Mild stinging sensation may be experienced especially during first few days of use. This should become barely noticeable with more frequent use. 
  • Avoid over exfoliating the skin before applying this product.
  • If stinging sensation persists or if erythema develops, please discontinue use or consult your physician. 

About the TR:T 205 Series:

"The TR:T 205 trio of high concentration Ferulic Acid, Azelaic Acid + Vit B3, Tranexamic Acid + Alpha Arbutin formulated to radically address pigmentation, rosasea, skin flushing, antioxidant boost, topical reduction of oxidative stress and free radical proliferation, hydration, balance and to directly influence the bacterial activities of propionibacterium/cutibacterium.acne.

These series were formulated to assist treatment modalities in-clinic"

 BSG. 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 19922615211

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T.C.
Draper, US
★★★★★ 5
Excellent filter
Size: 7.5" x 8.7" x 1.4"
Perfect fit, installed easily and quickly, airflow arrow was provided, and product was well-made with high-quality materials. Box had a hole, but the filter was in a sealed plastic bag and was undamaged.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 25, 2025
S
Verified Purchase
scott laser
San Leandro, US
★★★★★ 5
Works as expected in polluted phoenix AZ
Size: 7.5" x 8.7" x 1.4"
these work great for me and the dealr charges $60 to replace one
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Reviewed in the United States on April 26, 2026
C
Verified Purchase
Cesar S.
Dallas, US
★★★★★ 4
Needs modification to fit Lexus TX 350
Size: 7.5" x 8.7" x 1.4"
Does not have a proper fit on a 2024 Lexus TX 350 without some minor modification. The filter casing has a guide that it's supposed fall into one of the pleats like a notch, however, notice this filter has the white strips which I guess are added structural support. I simply cut the 2 strips on the pleat the guide falls into. The filter will not fall apart by doing this. It's a minor inconvenience that can be easily corrected yourself or simply find another filter that does not have anything blocking the pleats the entire width of the filter.
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Reviewed in the United States on January 26, 2026
A
Verified Purchase
Apacs1
West Palm Beach, US
★★★★★ 5
Fits perfectly
Size: 7.5" x 8.7" x 1.4"
easy to install
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Reviewed in the United States on December 3, 2025
S
Verified Purchase
ShakeAndBake
Pawtucket, US
★★★★★ 5
bosch never disappoints
Size: 7.5" x 8.7" x 1.4"
good product+fair price=value for money
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Reviewed in the United States on January 12, 2026

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