What is Cysteine Hair Treatment Process, Benefits, and Side Effects


Secret to smoother, more manageable hair with cysteine hair treatment. Harnessing the power of this naturally occurring amino acid, discover how cysteine treatment tames frizz, enhances texture, and boosts shine. Delve into its process, benefits, and considerations for stunning locks that last.

What is Cysteine Hair Treatment

Cysteine, a naturally occurring amino acid found in the hair’s structure, plays a vital role in maintaining its strength and elasticity. Harnessing the power of this amino acid, cysteine hair treatment offers a semi-permanent solution to tame frizz, reduce volume, and improve overall hair texture. This guide explores the essence of its hair treatment, delving into its process, benefits, and considerations for those considering this hair-transforming procedure.

How Does Cysteine Hair Treatment Work?

  • Preparation: Before the treatment begins, the hair is usually washed with shampoo to remove any product buildup or impurities. This step ensures that the hair cuticles are open and receptive to the treatment solution.
  • Application of Treatment: The cysteine treatment solution is applied to the hair section by section, ensuring thorough coverage from root to tip. The solution is left on the hair for a specific amount of time, allowing the cysteine to penetrate the hair shaft.
  • Heat Activation: In some cases, heat may be applied to the hair using a hooded dryer or a specialized heating tool. Heat helps to activate the cysteine molecules, allowing them to bond with the hair proteins and create a smoother, sleeker texture.
  • Rinsing and Drying: Rinsing is done thoroughly to remove excess product. It is then blow-dried and sometimes flat-ironed to seal in the treatment and further smooth the hair cuticles.

Benefits of Cysteine Hair Treatment

  • Frizz Reduction: Benefits of cysteine hair treatment is its ability to tame frizz. By restructuring the hair’s protein bonds, the treatment helps to smooth out the hair cuticles, resulting in sleeker, more manageable hair with reduced frizz.
  • Improved Texture: This treatment can also enhance the overall texture of the hair, making it feel softer and silkier to the touch.
  • Increased Shine: The restructuring effects of cysteine treatment can contribute to enhanced shine and luster in the hair. 
  • Semi-Permanent Results: While some hair treatments provide temporary results, cysteine treatment offers semi-permanent effects that can last for several months. This means that individuals can enjoy smoother, more manageable hair for an extended period before needing a touch-up.
  • Versatility: This treatment is suitable for various hair types, including curly, wavy, and straight hair. It can be customize to meet the specific needs and preferences of each individual, making it a versatile option for a wide range of clients.
  • Gentle Formulation: Unlike some other hair treatments, cysteine treatment typically contains fewer harsh chemicals, making it a gentler option for those with sensitive scalps or allergies.
  • Compatibility with Color-Treated Hair: Its treatment is generally safe for use on color-treated hair, allowing individuals to enjoy the benefits of smoother, more manageable hair without compromising their hair color.

Side Effects of Cysteine Hair Treatment

  • Temporary results: The effects are not permanent, typically lasting 2-3 months, requiring reapplication for sustained results.
  • Potential for damage: Though marketed as less damaging than relaxers, the heat styling involved can still damage the hair if not done properly.
  • Formaldehyde concerns: Some cysteine treatments may contain small amounts of formaldehyde, which raises concerns about potential health risks. Choose a formaldehyde-free formula if possible.
  • Cost: The treatment can be expensive, and multiple sessions may be needed depending on the desire outcome.

Precautions After Cysteine Hair Treatment

  • Avoid Washing Hair Immediately
  • Use Sulfate-Free Shampoos
  • Limit Heat Styling
  • Avoid Tying Hair Tightly
  • Regular Trims
  • Deep Conditioning Treatments
  • Protective Hairstyles at Night
  • Avoid Chemical Treatment

Precautions Before Cysteine Hair Treatment

  • Patch Test: Perform a patch test at least 48 hours before the treatment to check for any allergic reactions or sensitivities to the products used in the treatment.
  • Hair Assessment: Ensure your hair is in good condition before undergoing the treatment. Avoid cysteine treatment if your hair is excessively damage or if you have undergone recent chemical treatments.
  • Clarifying Shampoo: Use a clarifying shampoo a day or two before your appointment to remove any product buildup or residues from the hair, ensuring optimal penetration of the treatment solution.
  • Avoid Coloring or Chemical Treatments: Refrain from coloring or undergoing other chemical treatments for at least two weeks before your this treatment appointment to minimize the risk of over-processing and damage to the hair.
  • Inform About Allergies: Inform your stylist about any allergies you may have to ingredients commonly found in hair products, such as fragrances or preservatives.


Is cysteine hair treatment good for hair?

Yes, this hair treatment is generally considere good for hair. It helps to reduce frizz, improve texture, and increase shine, resulting in smoother and more manageable hair. 

How long will cysteine treatment last?

Its hair treatment typically lasts 3 to 6 months, depending on various factors such as your hair’s texture, hair type, maintenance routine, and exposure to environmental elements.

Which is better, keratin or cysteine?

The choice between keratin and cysteine treatments depends on individual preferences and hair needs. Cysteine treatment is known for its gentler formulation and semi-permanent results, while keratin treatment may provide more dramatic straightening effects. Ultimately, consulting with a stylist can help determine the best option based on specific hair goals and concerns.

What is the price for Cysteine Hair Treatment?

The price of a this Hair Treatment can vary depending on a few factors, but In India, it typically ranges from ₹5,000 to ₹14,000. and some salons might offer it for as low as ₹6,999.

Which is better, hair botox or cysteine?

Hair botox focuses on repairing and rejuvenating damaged hair, while cysteine treatment primarily targets frizz reduction and texture improvement. Consulting with a professional stylist can help determine the best option based on specific hair goals.