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A surgical incision causes a scar which can lead to functional, cosmetic and psychologic problems. Scar tissue can be distinguished from normal skin by an abnormal colour, different thickness, decreased pliability, contraction or expansion of its surface area [1]. Multiple factors lead to typical features of a scar. These include location, size, aetiology, suturing techniques, suture material, wound care, wound healing, and individual’s race, age, and genetic predisposition [2]. The number of hair restoration surgeries is increasing every year [3]. The aesthetically performed hair restoration procedure has two components; the first is the natural angle and strategic distribution of hair in the recipient area and the second is the minimally visible scar resulting from the strip closure. Traditionally various methods of wound closure are mentioned which include single-layer closure, double-layer closure, the staples etc. [4-6]. Other factors like trichophytic closure (one-margin or double-margin) also help to minimize the scar width which is proportionate to the tension on the scar edges [4]. Although various suture materials have been compared but no study to date has been conducted in the same patient using single-layer (non-absorbable) and doublelayer (deep absorbable and superficial non-absorbable suture) closure [5-7]. The following study was conducted to know the difference between single and double-layer closure. Muhammad Ahmad

Single-Layer vs. Double-Layer Donor Scalp Wound Closure in Strip Harvest.