Derma Roller Size Guide – Best Size Needles for Derma Roller

The derma roller size refers to the length of the microneedles on the roller. Different needle lengths are better for different purposes. 0.5mm derma rollers are ideal for most uses on the face while 1.0mm derma rollers are often better for use on scars and the scalp.

Below we run through the main derma roller uses one by one with recommended needle lengths for each one. There is also a quick reference table to help you quickly select the correct micro needle length for you.

The recommendations work equally well for stainless steel microneedles as well as the new biocompatible polymer microneedle rollers.

First we need to quickly establish exactly what reactions each micro-needle length creates in the skin

best size needles for derma roller

0.25 mm Derma Roller Uses

A 0.25 mm dermaroller is too small to pass through the epidermis into the dermis. It is therefore unable to initiate new collagen induction. By penetrating the epidermis it does increase transdermal absorption through the skin. This can be beneficial for skin care when used with safe natural cosmetic products.

0.5 mm Derma Roller Uses

This is the most commonly used dermaroller length. It is the shortest microneedle that will effectively increase collagen production. This allows it to deliver fresher and smoother skin with the least amount of tissue damage. It is very popular for beauty treatments both at home in clinic.

1.0 mm Derma Roller Uses

This is a good all round length when the microneedles need to pass through scar tissue or hair to reach the scalp. Slightly longer than the 0.5mm so it can pass through thin scar tissue like acne scars and still create collagen induction below the scars.

1.5 mm Derma Roller and longer Uses

Longer microneedles are sometimes used in clinic in particular to treat medical conditions such as burn scars. Microneedles us to 3.0mm long can be used in these situations. This is a very invasive medical procedure and these needle lengths should not be used at home.

Derma roller size for cellulite?

The 1.0 mm microneedling roller is the best option for assisting cellulite on the thighs buttocks and abdomen. It can stimulate new collagen production to strengthen the skins matrix to better contain the fat cells in the area.

 Treatment Ideal Needle Length
Product Absorption Only 0.25mm
Facial Collagen Induction 0.5mm
Under the Eyes 0.5mm
Neck 0.5mm
Stretch Marks 1.0mm
Cellulite 1.0mm
Hair Loss 1.0mm
Acne Scars 1.0mm
Burn and other deep scars 1.5mm +
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