




Bio Roller G4 for Hair Growth, Beard Thickening & Skin Rejuvenation
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✓ 100% Authentic · sourced from authorised suppliers
✓ Free UK delivery on orders over £50
✓ 30-day returns on unopened items · 24,000+ customers since 2021
A microneedling derma roller for the scalp, beard area and skin, in multiple needle depths.
The Bio Roller G4 is an at-home microneedling roller with fine needles, designed to be rolled over the scalp, beard area or skin as part of a grooming and skincare routine, and often used to help skincare or scalp products absorb. Available in several needle depths (0.25mm to 1.5mm).
Key details
- Format: microneedling derma roller
- Needle depths: 0.25mm, 0.5mm, 0.75mm, 1.0mm, 1.5mm
- Use: scalp, beard area and skin
How to use: On clean skin, with clean hands, roll gently in different directions over the target area. Disinfect the roller before and after every use, and never share it. Start with the shortest needle length.
Important safety: For personal, single-user use only. Use the shortest needle depths at home; longer needles are more advanced and carry higher risk. Do not use over active acne, infections, eczema, rosacea, moles, or broken or irritated skin. Keep everything sterile, don't over-roll, and stop if you have prolonged redness or irritation. If unsure, seek professional advice.
Who it's for: Experienced users wanting an at-home microneedling roller.
Genuine Bio Roller. Fast, fully tracked UK delivery.
Free UK delivery on orders over £50; £4.95 under £50. Orders are dispatched within 1–3 working days, then take 5–10 working days to arrive in the UK. USA from £6.95; Europe from £9.95; rest of world from £14.95.
30-day returns on unused, unopened products in original packaging. For hygiene reasons, opened beauty products can only be returned if faulty. Email support@glamglobal.com to start a return.
100% Genuine — Guaranteed.
Every product we sell is 100% genuine, sourced from authorised suppliers and brand distributors in South Korea, Japan and the United States. Since 2021, more than 24,000 customers have shopped with GlamGlobal. If anything arrives damaged or faulty, email support@glamglobal.com and we will refund or replace it.
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