Guide

Gillette Venus blades: Which razor blades fit which handle?
Do all Venus blades fit every Venus handle? What applies according to Gillette, what exceptions exist, how blade cartridges with three and five blades differ, and when it's time to... Read more...
Avoiding razor bumps and razor burn: causes and tips for a smooth shave
Razor burn and razor bumps are not the same thing. Learn what causes redness and bumps after shaving, how to prevent them with preparation, a sharp blade, and proper technique,... Read more...
Disposing of razor blades: Where to put old blades, shaving heads, and toothbrush heads?
Used razor blades belong in the residual waste – but never loose. How to safely dispose of blades, shaving heads, and brush heads, and where packaging and electrical appliances belong. Read more...
Wet shaving guide: How to shave correctly step by step – with Fusion 5 and Venus
Wet shaving step by step: prepare hair properly, shave in the direction of hair growth, care for and change the blade – for the face with Fusion5 and for legs... Read more...
Oral-B Brush Head Overview: The Brush Heads and Their Differences
CrossAction, Precision Clean, Sensitive or iO: How the Oral-B brush heads differ, which head fits which handle, and how to find the right one. Read more...
Philips OneBlade: Changing the blade – when, how often, and how long does it last?
Philips recommends replacing your OneBlade blade at least every four months. Here is how to recognize when the time is right, how to change it in seconds, and how to... Read more...
Which blade fits which handle? Fusion 5, Venus, OneBlade, and Oral-B at a glance
The most common bad purchase happens because series have similar names. Here is how you can find your device's model number – and see at a glance which replacement blade... Read more...
How often should you change your razor blade? This is how long a blade lasts
Every two weeks? After five shaves? It depends – specifically on four things. Guidelines per system, five clear signs for when to replace, and what really extends their lifespan. Read more...
Original or replacement blade? What to consider when comparing
What distinguishes replacement blades from the original, which six points are decisive in a comparison, and when is the original the better choice? Explained objectively, without promotional claims. Read more...
When to replace Philips shaver heads? HQ8/HQ9 Speed XL and BodyGroom
Philips recommends new shaving heads every 2 years, and for the BodyGroom, the shaving foil every 12 months. Signs that a replacement is due, suitable spare parts for HQ8/HQ9 Speed... Read more...
Braun Series 7 70S shaver head and Series 1 10B foil: When to replace?
Braun recommends replacing the shaver head every 18 months. How to tell when it's time, which replacement part fits Series 7, Series 1, FreeControl and cruZer – and how to... Read more...
Dietary Supplement Guide: Myo-Inositol, Coenzyme Q10, Matcha & Shilajit Explained Factually
What is in Myo-Inositol gummies, Coenzyme Q10 gummies, matcha, and shilajit resin? Ingredients per serving, dosage, and what you should look for when buying. Read more...
Memory Card Guide: microSD 256 GB, 512 GB, or 1 TB – which card is right for you?
256 GB, 512 GB, or 1 TB? Here is how to find the right microSD card for your smartphone, camera, console, and dashcam – with storage guidelines and practical tips. Read more...
Oral-B replacement brush heads: Which ones fit? Model list, replacement frequency, and pack sizes
Replacement brush heads for Oral-B: Which handles are compatible, how often you should change them, and whether an 8-pack or 16-pack makes sense for your household. Read more...
Razor Blade Guide: Which blades are compatible with Gillette Fusion 5, Venus, and Philips OneBlade?
Which replacement blades are compatible with Gillette Fusion5, Gillette Venus, and Philips OneBlade? Identifying your model, replacement frequency, pack sizes, and care tips. Read more...