Or at least she sometimes did.

How many snippets of maternal beauty wisdom still linger in your brain?

How many of these grapevine tips are even true?

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Here are 10 of the most-common myths and the real deal for all.

Over-plucked brows wont grow back

Well, sort of.

By age 50,eyebrowregrowth is very slow and, in some cases, not possible.

A woman touching up her brows; Maybelline Express Brow 2-in-1 Pencil and Powder Eyebrow Makeup ($8, target.com); e.l.f. Bite-Size Eyebrow Palette in Taupe ($4, target.com)

But its not just tweezing; repeated waxing or threading also can do permanent damage.

Be aware that some underlying medical conditions such asthyroid diseaseor dysfunction can contribute to brow loss too.

My beauty editor advice?

Mount Lai Gua Sha Facial Lifting Tool in Jade; EcoTools Mini Rose Quartz Roller; Tatcha The Dewy Skin Cream Hydrating & Plumping Moisturizer

Microblading by a skilled technician can create realistic-looking brows that last one to three years with touchups.

Direction doesnt matter, says Day.

The point is to gently pat products like serums, moisturizers andsunscreenon before massaging them in.

This is good to know, since jade rollers and gua shua stones are now beauty staples.

The secret is to make the software of the product a soothing, relaxing daily experience.

Dont apply too much pressure and always apply a cream or serum first for slip.

Keep your gua sha and roller in the fridge to amp up the refreshing benefits too.