The World's Leading Skincare Glossary, brought to you by Lesielle

The 1st Customized Skincare System that Adapts to YOUR Changing Needs

VITAMIN B1

INCI: Thiamine Hydrochloride

What is Thiamine Hydrochloride?

Vitamin B1 or thiamine HCl is a form of thiamine. It is required for many essential functions in the human body. It is present in food items like eggs, meat, fruits, and vegetables. Vitamin B1 is used in a variety of cosmetic products. It functions as a skin conditioning agent. For more information, refer to thiamine HCl.

Use & Benefits:

  • Metabolic Support: Thiamine HCl is a water-soluble vitamin that is required for the body's metabolic processes.
  • Eye Health: Promotes healthy eyes.
  • Kidney Support: Works to support the kidneys.
  • Nervous System Fortification: Fortifies the nervous system.
  • Brain Function Support: Helps support brain function.
  • Cognitive Aid: Aids cognition and memory.
  • Exercise Recovery: Assists in exercise recovery.
  • Heart and Nerve Health: Required to maintain the health of nerves and heart.
  • Deficiency Prevention: Prevents conditions that can lead to heart failure and mental/nervous issues.
  • Skin Conditioning: Functions as a skin conditioning agent in a variety of cosmetic products.
  • Collagen Production: Known to enhance the production of collagen present in the skin.
  • Cell Repair and Regeneration: Helps in the repair of damaged cells ration of new cells.
  • Cosmand aids in the regeneetic Applications: Used in formulations of creams, lotions, gels, shampoos, conditioners, makeup, and other skin and hair care products.

Personalized & Adaptive skincare system

Create your own custom skincare and  adapt it to your skin changes

How to create your own Personalized Skincare with Lesielle?

Icons of the lesielle custom skin care system

Step 1: Select a nourishing base compatible with your skin, and your desired moisturization level

Step 2: Complete your treatment with up to four active ingredients for consistent and occasional use.

Step 3: Insert your base and up to four actives ingredients into your Lesielle device to produce a fresh single dose of face cream on demand when you need it.

Complete your routine with a cleanser and other complimentary products and accessories.

Questions? 

Don't you know what Base and Actives your skin needs?

Take our personalized skincare quiz.

Notice: the information collected here is limited in terms of use and scope. See terms and conditions.

The skincare system for an ever evolving skin, using recognized active ingredients with scientifically proven efficacy to create treatment tailored to each day's State of Skin. 

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  • All rights reserved 2023

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