Frequently Asked Questions

What is the active ingredient in Bio Anti Frizz Elements?

A: Naturally occurring amino acid that is classified as a vitamin called L-cystein.

What are the benefits of L-Cysteine in hair?

A: Cysteine is a major component of skin, hair, & fingernails that is known to promote hair growth, improve the hairs texture, and prevent hair from falling out.

How long will the Bio Anti Frizz treatment last?

A: Depending on how the hair is managed, treatments last up to 5 months with the use of Bio Anti Frizz Shampoo and Conditioner.

What types of hair can be treated with Bio Anti Frizz Elements?

A: All types of hair can be treated with Bio Anti Frizz Elements.

Will Bio Anti Frizz Elements change hair color?

A: On some hair color change may occur, therefore it is recommended to color hair 48 hours after treatment. NOTE: Color shades may be effected one to two shades lighter.

When can hair be washed?

A: Same day with Bio Anti Frizz Shampoo and Conditioner.

Does Bio Anti Frizz contain formaldehyde?

A: Bio Anti Frizz is based on Argil Therapy that contain vital vitamins and proteins the hair needs to be healthy.

How long will the Bio Anti Frizz treatment last?

A: Depending on how the hair is managed, treatments last up to 5 months with the use of Bio Anti Frizz Shampoo and Conditioner.

How should hair be managed after a Bio Anti Frizz Element treatment?

A: Bio Anti Frizz Shampoo and Conditioner is recommended for post treatment.

Can Bio Anti Frizz be applied over chemical processed hair?

A: Yes, this new technology can be applied on all types of chemical processed treatments.

What are the expected results?

A: Increased hair hydration, 100% decrease in frizz, soft, smooth, silky hair with results lasting up to 5 months.

What is L-cystein?

A: It is a naturally occurring amino acid that is classified as a protein amino acid, called L-cystein.

Where we can find it?

A: L-cysteine can be found in a number of foods ranging from meats to dairy and vegetable sources. L-cysteine in the form of cysteine is found in many different protein sources. Chicken, turkey and pork are all good sources of cysteine. Cysteine can be obtained from eggs and milk, ricotta and cottage cheese. Garlic, and broccoli are just a few of the vegetables that contain cysteine and provide good dietary resources when there is a need to augment l-cysteine levels in the body.

What is Cysteine in Human Hair?

A: Human hair is rich in two basic amino acid compounds, l-cystine and l-tyrosine, with l-cystine comprising up to 14% of the hair. When hair is dissolved (hydrolyzed) in hydrochloric acid, these compounds can be separated and recovered. L-cystine is actually comprised of two l-cysteine amino acids that are joined together, and when this bond is broken using a hydrolysis reaction, virtually all of the hair used in the production of l-cysteine comes from Asian countries

Q: What are the benefits of it?

A: Cysteine is a major component of skin, hair, & fingernails. Studies show that cysteine supplementation can increase hair shaft diameter and hair growth density in some cases of hair loss. Hair will become healthy beautiful and radiant from within. It gives strength and endurance, fixing the hair fiber due to its high bio affinity with the wires.

What are the expected results?

A: Soft, straight, shiny, silky smooth and no frizz! The hair looks healthy and youthful. Very easy to manage on a daily basis – just wash and go…

How it works?

A: By presenting a lower molecular structure, it penetrates the cortex and form hair fibers to strengthen its structure. These bonds are responsible for the wave that appear in the hair and allows the hairdresser to shape it. Due to its high affinity of keratin, cystein act as an adhesive cementing the damaged cuticle of the wires, which justifies its moisturizing effect, conditioner and restorative.

What is the chemical transformation?

A: A temporary deformation of water in the rope bonds of hydrogen and saline causes sliding of the chains of keratin that makes it possible to break the mechanical action

Is Cysteine safe to be use in Human hair products?

A: L-cysteine is considered a substance that is generally recognized as safe, when it is used to make flavors that are in foods, it does not have to be labeled. When L-cysteine does have to be labeled, its source does not have to be specified according to the FDA.

What are the side effects?

A: There have been no reported of side effects, However, this is a welcome acidity it is always good to avoid a skin contact for any sensitivity, attention must be paid. It is therefore essential to protect the scalp and wear gloves to avoid affects of acid pH of the formula. It is important to talk with the client about the existence of problems such as: allergies and recent history of irritation and dermatitis.

Can hair color be applied before or after the treatment?

A: No, hair color can ONLY be applied 2 days before or after the treatment

How long the results last in the hair?

A: 3-4 months, depending on the hair type. The result is fading with time and gradually, as the cysteine bridges are not completely remade

What types of hair can be treated?

A: All hair types especially curly, thick, porous, damaged, dry, colored, and highlighted hair.

Once the roots grow out will I need to touch up?

A: No, it will fade progressively as you wash your hair.

How long will the application take?

A: The application process takes the stylist anywhere from 40-90 minutes depending on the length and thickness of the hair.

Will this treatment work on colored hair?

A: Yes, this new technology can treat and restore any type of hair: colored, bleached and damaged hair.

How long after the treatment can I color my hair?

A: It is recommended by Jean De Perle Paris to apply color or highlights immediate after the treatment, but not before! Remember: This system is based on acidic proteins and clay which slight discoloration of 1-2 tones lighter may occur. On virgin hair the changes will not be effective.

How should I care for the hair after the treatment?

A: You should maintain the hair with our BIO ANTI FRIZZ SHAMPOO and BIO ANTI FRIZZ conditioner set for longer lasting results.

Is Bio Anti Frizz Elements “formaldehyde-free”?

A: Bio Anti Frizz products do not contain industrially manufactured raw formaldehyde, unlike formaldehyde-based keratin treatments. Instead, we have invested years of research into a patented process that mimics the effects of formaldehyde using Amino acids, cysteine and CLAY. Any formulation that produces a significant volume-reduction in the hair lasting several weeks is a potent salon product. It should be treated with healthy respect, and handled in compliance with sensible safety protocols by licensed hair professionals only.

How do I purchase Jean De Perle Paris products in the U.S.?

A: The easiest way is to order directly from website:


Phone: 1.866.963.1110

Why should I offer Jean De Perle aftercare products?

A: The straightening and conditioning effects of Jean De Perle Bio Anti Frizz Products won’t last as long if your client doesn’t use a shampoo and conditioner that work with the treatment, rather than against it. Jean De Perle Bio Anti Frizz shampoo and conditioner are specially formulated to lengthen the treatment’s effectiveness. If your salon regularly sells Jean De Perle aftercare to your clients, please contact us for volume discounts or special promotions.