We first note the settings available and recommended usage, paying particular attention to any special instructions for use.

We consulted independent review sites for opinions about products to ensure we were bringing you an honest summary of electric bikini trimmers and razors in 2021. The rechargeable battery offers up to 90 minutes of trimming; and the trimming length can be set using an adjustable comb to 4mm, 3mm, 2mm or 1mm (or the comb can be removed completely for a just-above-the skin shave). A comb for uniform cutting and a precision head for shaping are handy additions, but it’s unlikely you’ll need a huge range of attachments unless you want to change your style frequently.

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At Expert Reviews, we thoroughly test all the bikini trimmers we review, following the directions on the packaging.

One remedy that has gained popularity is olive oil, which is believed to nourish the hair follicles and promote eyebrow growth – does olive oil help eyebrows grow? The Braun Silk-Epil 7 7-561 Wet and Dry Epilator for Women is a three-in-one bikini trimmer – it functions as a razor, a trimmer and an epilator.

As your hair moves through its different growth phases – anagen/active, catan/transitional and telogen/resting phase – your hair’s roots connect to their follicles, pull away from the root before falling out. Using the same kind of laser treatment you might get in a professional clinic, this is the only product on the list that will permanently remove your hair. As mentioned, the trimmer can be used wet or dry on clean skin; the unit is completely waterproof, so it can be used in the shower.With that in mind, an electric bikini trimmer could be just the gadget to help you stay tidy and nick-free whether you’re donning your swimsuit at some point in the future or just relaxing at home in your loungewear. Philips is a safe bet when it comes to grooming gadgets and this practical product works well for neat trims and smooth shaves. Unlike some razors, the blades aren’t infused with a moisturising serum, but this is just a minor quibble. And although you will need to double check the product specifications before use, this model also has one other benefit – it also works on darker skin.

Dry hairs will stand up better to allow the trimmer to cut closely, and dry hairs are easier to remove from the trimmer for effective cleaning. Unfortunately, the Tria only works on darker hair colours – so anyone with blonde, red or grey hair will need to look elsewhere. Keep your blades clean and sharp so you don’t have to keep shaving over the same area, which can damage the skin – and clean the trimmer before and after use to prevent the chance of infections through any accidental nicks. We then use the trimmers as directed, and record the results, evaluating the closeness of the trim, smoothness of the bikini or underarm area after trimming, alongside any issues with nicks or irritation.With a IPX6 waterproof rating and including five multifunctional heads, the only drawback is that the epilator head is a bit fiddly and tricky to operate. Wet-and-dry trimmers can also be cleaned under running water (although, as with dry-only electric trimmers they should not be submerged in water). If you’re travelling away from home and looking for a slimline, portable bikini trimmer to stash in your hand luggage, this compact trimmer fits the bill perfectly. Bikini trimmers tend to be able to get into the tricky spots where razors fail and they’re less likely to cause nasty cuts too.