---
product_id: 403460073
title: "Panasonic Facial Hair Trimmer for Sensitive Skin, Unisex Detailer with Flexible Head, Gentle on Acne, Includes 2 Eyebrow Attachments, Wet/Dry - ER-GM40-K (Black)"
brand: "panasonic"
price: "฿178"
currency: THB
in_stock: false
url: https://www.desertcart.co.th/products/403460073-panasonic-facial-hair-trimmer-for-sensitive-skin-unisex-detailer-flexible
store_origin: TH
region: Thailand
---

# 180 min cordless runtime 100% waterproof & washable flexible swing head contour Panasonic Facial Hair Trimmer for Sensitive Skin, Unisex Detailer with Flexible Head, Gentle on Acne, Includes 2 Eyebrow Attachments, Wet/Dry - ER-GM40-K (Black)

**Brand:** panasonic
**Price:** ฿178
**Availability:** ❌ Out of Stock

## Summary

> ⚡💧 Trim smart, look sharp — anytime, anywhere!

## Quick Answers

- **What is this?** Panasonic Facial Hair Trimmer for Sensitive Skin, Unisex Detailer with Flexible Head, Gentle on Acne, Includes 2 Eyebrow Attachments, Wet/Dry - ER-GM40-K (Black) by panasonic
- **How much does it cost?** ฿178 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/403460073-panasonic-facial-hair-trimmer-for-sensitive-skin-unisex-detailer-flexible)

## Best For

- panasonic enthusiasts

## Why This Product

- Trusted panasonic brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **All-Weather Grooming:** Waterproof design lets you trim wet or dry, even in the shower.
- • **Effortless Contouring:** Flexible swing head glides smoothly around neck and face for flawless trimming.
- • **Precision Meets Comfort:** Dual round-edge blades minimize irritation for sensitive & acne-prone skin.
- • **Tailored Brow Perfection:** Includes eyebrow comb & lash-protecting cover for sharp, clean brows.
- • **Travel-Ready Compactness:** Lightweight and cordless with up to 3 hours runtime—perfect for on-the-go grooming.

## Overview

The Panasonic ER-GM40-K is a unisex facial hair trimmer engineered for sensitive and acne-prone skin. Featuring dual round-edge blades and a flexible swing head, it delivers precise, gentle trimming for facial hair and eyebrows. Fully waterproof and washable, it supports wet or dry use, powered by AA batteries offering up to 180 minutes of cordless operation. Compact and travel-friendly, it includes eyebrow attachments for detailed grooming, making it an essential tool for professional-grade facial care.

## Description

Product Description               The Panasonic GM40-K Detail Trimmer with Flexible Head makes trimming gentle and easy for everyone, specializing in sensitive, delicate areas and acne-prone-skin in areas such as the neck, chin, upper lip, and sideburns. This blades of this facial trimmer feature narrow gaps and rounded edges, minimizing skin stimulation and reducing irritation. A compact, flexible swing head ensures safe, gentle, precise trimming to a length of 0.12 mm (1/212 in), deftly working around skin blemishes and gently trimming in-between eyebrows. The GM40-K face shaver comes with both an eyebrow comb to groom brow hair to between 0.12mm and 7mm, as well as an eyebrow cover that protects lashes while trimming brows. This waterproof, washable trimmer can be used in or out of the shower, dry or with shaving foam; powered by AA batteries, it provides up to 180 minutes of cordless shaving. Its compact size ensures that it stashes away easily at home, and travels easily in a purse, makeup bag or shaving kit.                  Directions               The Panasonic GM40-K Detail Trimmer with Flexible Head is used for trimming sensitive, delicate areas and acne-prone skin. It can be used dry or with shaving foam, and is waterproof for use in the shower. The trimmer comes with an eyebrow comb and an eyebrow cover for brow grooming. It is powered by AA batteries and provides up to 180 minutes of cordless shaving. To use, simply turn on the trimmer and gently glide it across the face, using the flexible head to contour the neck and face. For eyebrows, use the eyebrow comb to trim hair to the desired length, and the eyebrow cover to protect lashes while trimming brows. After use, clean the trimmer under running water and dry thoroughly before storing.               
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                    Safety Warning               Always read instructions before use. Avoid use on infants or near water sources. Keep blades away from eyes and avoid contact with skin. Replace batteries as needed and dispose of them responsibly. Not for use during pregnancy or while nursing. Always unplug and allow to cool before cleaning or storing.             See more

## Features

- Trim Stray Facial Hair in Just a Few Strokes: Quick to use and gentle on sensitive skin, this unisex pen detail trimmer lets you trim light facial hair (brows, chin, neck, and sideburns) using just a few swipes of its flexible head
- Round-Edge Blades Help Protect Sensitive Skin: Dual blades are designed especially for minimal skin stimulation, which is especially great for use on aging and acne-prone skin
- Flexible Swing Head Contours Your Neck and Face: Compact trimmer head bends gently, gliding across the face for smooth results
- Use It on Eyebrows: Comb attachments help you trim eyebrow hair and keep you looking great; included eyebrow cover protects eyelashes while brow shaping
- Waterproof and Washable: The GM40-K can be used in or out of the shower; AA battery-operated trimmer provides up to 180 minutes of cordless shaving; compact size easily stores in purse or travel kit

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Panasonic |
| Package dimensions | 20 x 11.3 x 4.2 centimetres |
| Package Weight | 0.18 Kilograms |
| Item dimensions L x W x H | 43.2 x 7.6 x 7.6 centimetres |
| Item weight | 174 Grams |
| Brand | Panasonic |
| Colour | Black |
| Special features | Cordless Waterproof Compact, Waterproof |
| Target audience | Unisex-Adults |
| Item model number | ER-GM40-K |
| Product Dimensions | 43.18 x 7.62 x 7.62 cm; 174 g |
| ASIN | B08WTG6RCJ |

## Product Details

- **Recommended uses for product:** Eyebrows, Face, Neck
- **Colour:** Black
- **Item weight:** 174 Grams
- **Brand:** Panasonic
- **Power source:** Battery Powered
- **Material:** Metal
- **Special feature:** Cordless Waterproof Compact, Waterproof
- **Item dimensions L x W x H:** 43.2 x 7.6 x 7.6 centimetres
- **Blade material:** Stainless Steel
- **Target audience:** Unisex-Adults

## Images

![Panasonic Facial Hair Trimmer for Sensitive Skin, Unisex Detailer with Flexible Head, Gentle on Acne, Includes 2 Eyebrow Attachments, Wet/Dry - ER-GM40-K (Black) - Image 1](https://m.media-amazon.com/images/I/51xFFQnOURL.jpg)
![Panasonic Facial Hair Trimmer for Sensitive Skin, Unisex Detailer with Flexible Head, Gentle on Acne, Includes 2 Eyebrow Attachments, Wet/Dry - ER-GM40-K (Black) - Image 2](https://m.media-amazon.com/images/I/61AUfh3BEyL.jpg)
![Panasonic Facial Hair Trimmer for Sensitive Skin, Unisex Detailer with Flexible Head, Gentle on Acne, Includes 2 Eyebrow Attachments, Wet/Dry - ER-GM40-K (Black) - Image 3](https://m.media-amazon.com/images/I/717VxHwTBUL.jpg)
![Panasonic Facial Hair Trimmer for Sensitive Skin, Unisex Detailer with Flexible Head, Gentle on Acne, Includes 2 Eyebrow Attachments, Wet/Dry - ER-GM40-K (Black) - Image 4](https://m.media-amazon.com/images/I/61Zw-4Fw0TL.jpg)
![Panasonic Facial Hair Trimmer for Sensitive Skin, Unisex Detailer with Flexible Head, Gentle on Acne, Includes 2 Eyebrow Attachments, Wet/Dry - ER-GM40-K (Black) - Image 5](https://m.media-amazon.com/images/I/71CWOeP5pwL.jpg)

## Frequently Bought Together

- Panasonic Facial Hair Trimmer for Sensitive Skin, Unisex Detailer with Flexible Head, Gentle on Acne, Includes 2 Eyebrow Attachments, Wet/Dry - ER-GM40-K (Black)
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**Shop now:** [https://www.desertcart.co.th/products/403460073-panasonic-facial-hair-trimmer-for-sensitive-skin-unisex-detailer-flexible](https://www.desertcart.co.th/products/403460073-panasonic-facial-hair-trimmer-for-sensitive-skin-unisex-detailer-flexible)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-01-25*