Dr Rachel Ho’s Blog

Stay informed of the latest news and expert insights in skincare science, beauty tips and aesthetic trends.

It's been more than 30 years since Botox received US FDA approval for treatment of wrinkles. Since then, what do we know about getting repeated botulinum toxin injections when the effects wear off? One study looked at identical twins- one received regular Botox and another who did not. A look at the outcomes and the long term safety of repeat Botox injections in this review.

What is the skin barrier and why does it matter? A doctor's guide to repairing your skin for healthier skin and protecting against dryness and ageing. If you're a skincare aficionado, an optimal skin barrier will also improve the results of your products.

Have you ever experienced using a skincare product that you love; only to find that its effects and benefits on your skin are wearing off? Can skin become immune or “used to” a product? Are your skincare products becoming less effective ? Do we need to change skincare products whenever this happens? Answering these questions and explaining the physiology of skin and how active ingredients work

Does tranexamic acid lighten hyperpigmentation? This ingredient was originally developed as an oral medication to stop excessive bleeding. TXA has found its way into dermatology as it may help to lighten melasma when taken orally or used in skincare. Learn all about how tranexamic acid works, its safety, efficacy, limitations and how to use it right. I'll also review Skinceuticals' Disco