Dr. Pen Cartridge Pin Type Comparison – What Each One Is Best For by Skin Concern
🔹 Lower pin (9–18): More precise, deeper penetration — great for acne scars & stretch marks. More painful.
🔹 Higher pin (24–42): Covers more surface, ideal for improving skin texture & tone. Less painful.
🔹 Nano tips: Gentle and great for absorption, pigmentation, and daily care & glow. Painless.

General Tips:
🔹 Lower pin (9–18): More precise, deeper penetration — great for acne scars & stretch marks. More painful.
🔹 Higher pin (24–42): Covers more surface, ideal for improving skin texture & tone. Less painful.
🔹 Nano tips: Gentle and great for absorption, pigmentation, and daily care & glow. Painless.
18 pin and 16 pin are mostly the same in terms of for usage.

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