Methoxycinnamidopropyl Hydroxysultaine

What is Methoxycinnamidopropyl Hydroxysultaine?

Methoxycinnamidopropyl Hydroxysultaine is a lab-synthesized amphoteric surfactant derived from methoxycinnamic acid, featuring a propyl hydroxysultaine backbone. This chemical structure combines cationic conditioning properties with a UV-absorbing chromophore. Primarily used in shampoos, conditioners, and hair styling products, it works by depositing onto hair fibers during rinsing, forming a protective layer that smooths cuticles, reduces tangling, and minimizes static electricity. The methoxycinnamoyl group enables UVB absorption, helping shield hair from photodamage without leaving residue. Its amphoteric nature ensures compatibility with various pH levels and other formulation ingredients, making it ideal for gentle, multifunctional hair care systems that cleanse while conditioning and protecting.

Comedogenic Rating 0/5 Low risk of clogging pores
EWG Safety Rating 1 View on EWG →

Roles in Formulation

This ingredient serves the following purposes in cosmetic formulations:

Hair conditioning
Improves softness, shine, and manageability by reducing friction and static; commonly achieved with cationic agents, silicones, oils, or conditioning polymers.
Sunscreen agent
Absorbs or reflects UV radiation to protect skin from sun damage.

Benefits

Improves hair texture by reducing friction for easier combing.

Absorbs UVB radiation to help protect hair from environmental sun exposure.

Non-comedogenic, unlikely to clog pores on scalp or skin contact.

Who It's For

A quick guide for who this ingredient may suit (and who should be cautious).

Who May Benefit Who Should Avoid
People with frizzy or static-prone hair seeking smoother manageability.
Those with allergies to cinnamate derivatives.
Individuals regularly outdoors wanting hair sun safeguards.
People experiencing scalp sensitivity to surfactants.
Users preferring lightweight, rinse-off conditioning formulas.
Individuals avoiding synthetic UV-absorbing compounds.

Safety Notes

  • Generally regarded as a low-hazard ingredient in cosmetic applications.
  • Amphoteric surfactants like this tend to show mildness in formulations.

Frequently Asked Questions about Methoxycinnamidopropyl Hydroxysultaine

What makes it suitable for hair products?

Its ability to adhere to hair shafts delivers conditioning alongside gentle cleansing.

Does it protect against sun damage?

Yes, it absorbs UVB rays to help safeguard hair color and strength.

Is it pore-clogging?

Rated non-comedogenic, making it suitable for scalp use without clogging concerns.