Pilot Study to Determine the Optimal Negative Pressure for Non-invasive Breast Augmentation in Women

• Subjects who voluntarily signed a consent form and met all inclusion / exclusion criteria should enroll in this study.
• Subjects enrolled in the study will be randomized and assigned to either Group1 or Group2 in a 1: 1 ratio.
• Apply EVERA RAPHA for 4 weeks

• Measure breast circumference and breast volume at Baseline and 4weeks later 4. Visit after 4 weeks to evaluate safety and effectiveness

Inclusion criteria

• A woman over the age of twenty
• A woman who wants both breast enlargement
• A person whose difference between chest circumference and lower chest circumference is less than 10 cm.
• Subject who sign the consent form of the study and agree to participate in the clinical trial
• Subject who are willing and able to comply with study protocol

Exclusion criteria

• A woman who has a history of great weight-change
• A case that Breast cancer or mammary tumour found in basic physical examinations
• A woman with symptoms or history that suggest she has a fibroblastoma, breast pain, periodic congestion, etc.
• A woman with severe trauma around the breast.
• A woman with a scar or skin lesion around the breast.
• A woman with more than breast ptosis of Grade 3 (the nipple is less than 1-3 cm below the breast)
• A woman with a history of chronic dermatitis, chronic pressure urticaria, contact dermatitis, etc.
• A woman who disagrees with contraception
• A woman who has previously undergone a breast reconstruction or breast augmentation
• A woman with an uncontrolled active infectious disease