There was no difference in efficacy in removal of local fat on thigh by cryolipolysis through Zeltiq machine.

Cryolipolysis was found to be safe for 12 week clinical trial.

this study is conducted to investigate the clinical efficacy and safety of cryolipolysis on fat removal of thigh through cryolipolysis.

Healthy premenopausal volunteered women had been conducted to assess their anthropometrical, social, and cardio-metabolic, and femoral fat amount by computer tomography, and adverse events at initial, 4 week, 12 week visit.

Inclusion Criteria:

• pre-menopausal healthy women
• subjects with body mass index ≥ 18
• subjects with visible fat on both thigh
• subjects to understand and agree to this study protocol

Exclusion Criteria:

• subjects with cryoglobulinemia, cold urticaria, or paroxysmal cold hemogobulinemia
• subjects with pregnancy or lactation within 6 months or next 3 months
• subjects with any laboratory, or metabolic abnormalities
• uncooperative subjects to comply with the study protocol
• women taking any medication/ over the counter/herbal supplements to regulate weight or fat mass over 6 months
• subjects with menstrual irregularities
• subjects to change over 10% of the former weight within the past 6 months - any procedure such as liposuction, or another surgical procedure or mesotherapy to reduce fat within 6 months
• subjects with any dermatologic abnormalities on the target areas (thigh)
• subjects with any injection into the area of intended treatment (e.g. cortisone) within 6 months

Healthy Women