Professional Semi Permanent Eyelash Extensions Lasts up to two months Natural to the touch Not heavy, don't weigh down natural lashes Thickens natural lashes Thicker at the base, tapered at the tip Pain free application Looks 100% natural Available in different colours, lengths and thicknesses Does not damage natural lashes No mascara, lash tint or perming necessaryNormally last for approximately two months, depending on the life-cycle of your client's natural lashes. Made to be identical to natural lashes, the lash base is flat and the lash tip is fine and polished, just like real lashes. It takes approximately 90 minutes to two hours to apply a full set of lashes. Retouching is recommended every two to three weeks to help maintain the fullness of the lashes.