For travel shaving I love the Philips OneBlade products. Light weight, works well enough and for a 3 week stay I don't even need to bring a charger. They can be

For travel shaving I love the Philips OneBlade products. Light weight, works well enough and for a 3 week stay I don't even need to bring a charger. They can be used to shave any hair, should you need that. The only downside I can think of is that the replacement blades are expensive, but regularly heavily discounted.