An amino acid used for hair conditioning and as a fragrance ingredient.
What it is
Cystine is an amino acid formed by two cysteine molecules joined by a disulfide bridge; it is an important building block of keratin in hair and nails. CosIng lists it as an antistatic, hair-conditioning and fragrance ingredient.
Where it is used
Found in shampoos, conditioners, hair masks and hair serums.
Limits of interpretation
The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.
The INCI name does not reveal whether it was produced by fermentation, hydrolysis or synthesis.
Functions
- Antistatic
- Preventing and/or reducing static electricity by neutralising electrical charge on surfaces.
- Hair conditioning
- Enhancing the appearance and feel of hair. Leaving the hair easy to comb, supple, soft and shiny and/or imparting volume, lightness, gloss, texture, etc.
- Fragrance
- Imparting an odour or taste. Creating a perceivable pleasant smell and/or masking a bad smell.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.
Products with this ingredient (13)
- Vaseline Gluta-Hya Serum Etkili Vücut Losyonu Pürüzsüzleştirici · Unilever
- Vaseline Gluta-Hya Serum Etkili Canlandırıcı Vücut Losyonu · Unilever
- Vaseline Gluta-Hya Serum Etkili UV Leke Karşıtı & Aydınlatıcı Losyon · Vaseline
- Vaseline Gluta-Hya Serum Etkili Yoğun Nemlendirici Gece Losyonu · Vaseline
- Vaseline Gluta-Hya Body Lotion Overnight Renewal 200mL · Unilever
- Vaseline Gluta-Hya Serum Burst Lotion Perfectly Smooth 200mL · Unilever
- Vaseline Gluta-Hya Body Lotion Pro-Age Restore 200mL · Unilever
- Vaseline Gluta-Hya Body Lotion Flawless Glow 200mL · Unilever
- Gluta-Hya Serum Burst Lotion Dewy Radiance · Unilever
- Vaseline Intensive Care Body Lotion Ceramide Glow 750mL · Unilever
- Vaseline Intensive Care Body Lotion Ceramide Glow 225mL · Unilever
- manchas serum · ponds

