7 guides · facts & specs only
How to choose beauty? LogicBuy compares beauty by objective specs — understand the key parameters, skip the marketing hype, and pick what truly fits your needs.
At-home IPL devices offer semi-permanent hair reduction without salon costs, but effectiveness depends heavily on skin tone, hair color, and realistic expectations about session count and permanence. This guide covers how IPL actually works, who it works for, and honest comparisons of top devices.
Read guide →Home beauty devices promise professional skincare results—LED therapy, microcurrent toning, RF lifting, and ultrasonic cleansing. Some have reasonable clinical evidence; others are primarily marketing. This guide assesses each technology honestly and recommends where device investment makes sense.
Read guide →Natural skincare is a multi-billion dollar category with significant greenwashing. This guide explains what clean beauty claims actually mean, which natural ingredients have real evidence, what to avoid in ingredient lists, and how to build a simple routine that actually works.
What’s the real difference between SPF50 and SPF30? Is there a meaningful distinction between PA+++ and PA++++? Which is better, physical or chemical sunscreen? How often should you reapply? Do you need sunscreen on clou
Read guide →Packing toiletries efficiently saves space and avoids confiscation at airport security. This guide covers TSA liquid rules, the best toiletry bag styles for different trip types, leak-proof bottle systems, and how to minimize your travel skincare routine.
Read guide →Spending thousands on a beauty device and seeing no change after three months is a common experience. The reason usually isn't that the technology doesn't work — it's choosing the wrong type for your skin concern, or incorrect usage. This article helps you understand the three mainstream technologies and make the right choice.
Read guide →The skincare market is flooded with confusing claims about whitening ingredients — niacinamide, vitamin C, 377, arbutin. This guide explains the mechanism behind each ingredient so you can build a logical approach to choosing whitening products.
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