KERCYSTEINE® CLINICAL STUDIES

The KerCysteine® clinical study was a randomized, parallel group, double-blind, placebo-controlled 90-day intervention study on 50 subjects with signs of damaged hair and nails conducted at a single site in Italy.

The effects of both the active and placebo groups were measured on hair using five separate tests:

90 Days Study - Icon

90 day study

Conducted in Italy - Icon

conducted in italy

5 Separate tests - Icon

5 separate tests

The KerCysteine® clinical study was a randomized, parallel group, double-blind, placebo-controlled 90-day intervention study on 50 subjects with signs of damaged hair and nails conducted at a single site in Italy.

1

Hair

 Pull Test

Gentle traction was exerted on a bunch of about 60 hairs in three areas of the scalp and the number of extracted hairs was counted.

The dermatologist takes a few strands between his/her thumb and forefinger and pulls them gently.

less hair loss only after 1 month

92%

of the participants experienced less hair loss only after 1 month

KerCysteine®

Others

less hair loss after 3 month

100%

of the participants experienced less hair loss after 3 months

KerCysteine®

Others

92%

of the participants experienced less hair loss only after 1 month

100%

of the participants experienced less hair loss after 3 months

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2

Tesile

 strength test

The breakage resistance of a single hair fiber was evaluated by a dynamometer (Tensolab 2512A, Mesdan Lab). An average of 10 readings was made.

10%

10%

WITH KerCysteine®

The active group that took KerCysteine® showed a 10% improvement in hair strength after 3 months.

X

Subjects on placebo showed no statistical improvement of their hair strength at the end of the test period.

Tesile strength test

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3

Amino Acid

 Composition Test

KERATIN PROTEINS DERIVED FROM AMINO ACIDS ACCOUNT FOR ABOUT 80% OF THE COMPONENTS WHICH CONSTITUTE HUMAN HAIR.

Other components include water, lipids, and melanin. Since the scalp is skin, amino acids are essential to keep it well-nourished and ready to promote healthy hair growth. Amino acids such as L-cysteine, L-methionine and L-serine are known to promote hair growth.

KerCysteine®
Others
75%

75%

CYSTINE
V
75%

75%

METHIONINE
V
75%

75%

SERINE
V

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4

Hair

 Brightness Test

The hair appearance was evaluated by a licensed dermatologist who assigned a value of one to three based on the subject’s hair brightness and lustre.

A score of 1 is dull and devoid of brightness, a score of 2 is basically dull and not so bright, and a score of 3 is shiny and bright. SEE DETAILED GRAPH

33%

observed an improvement only after 1 month

96%

observed an improvement after 3 months

Hair Brightness Test

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5

Hair

 Cycle Test

Anagen/telogen testing was performed by choosing a targeted area (mid-vertex) of approximately 1.8 cm2 for clipping hair. Close-up digital photographs were immediately taken after shaving and 2 days later. The two photographs were compared by software to determine if the hair was in Anagen phase (growing) or Telogen phase (resting).

100%

of participants saw an increase in Anagen after 3 months

100%

of participants saw a reduction in Telogen after 3 months

10x

The percentile change of Anagen was 10x higher

Hair Cycle Test

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