1.5 mm derma rollers are consisting of 192 needles in 8 rows (lines) OR 72 needles in 3 rows (lines). Because of these two types of derma roller heads, the 1.5 mm roller is suitable for treating all larger body areas (8-line roller) and also not very wide scars (3-line roller).
1.0 mm derma rollers are consisting of 192 needles in 8 rows (lines) OR 72 needles in 3 rows (lines). Because of these two types of derma roller heads, the 1.0 mm roller is suitable for treating all larger body areas (8-line roller) and also those hard-to-reach ones like lines around lips, nose, etc (3-line roller).0.5 mm derma rollers are consisting of 192 needles in 8 rows (lines), and this needle length derma roller is most often used for facial skin needling of wrinkles and other signs of aging. 0.5 mm derma roller is safe to be used in all face areas and specially recommended for treating the area around the eyes.
0.25 mm derma rollers are consisting of 192 needles in 8 rows (lines), as this needle length is not very long so it doesn’t really penetrate to skin deep enough to trigger new collagen building. Instead this type of derma roller is a ideal gadget to be added to your everyday skin care to stimulate skin care products penetration to deeper skin layers where you’d benefit most of them.
