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Anti-Aging & Beauty

Learn about the best anti-aging and beauty solutions, from skin tightening to removing spider veins.

Our experts are answering questions every day

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I can choose the Invisalign tray for upper teeth only, correct? My bottom teeth are fine.

Amanda Seay, Mount Pleasant, SC
“It truly is case dependent. If your bite(occlusion) is acceptable and you are only correcting minor tooth position then it should be fine to only treat one dental arch and not both. But...the new teeth positions must be in harmony with the lower teeth to give you a balanced bite.” Read more
Steven Glassman, New York, NY
“Usually it's best to to use Invisalign on both arches. We chew dynamically (in motion) not Static. So even though the esthetic complain is on the upper arch, by straightening them they may knock into the lower and not fit together properly when biting and chewing. It generally also takes...” Read more
Carolyn Van Buskirk, New York, NY
“While it is theoretically possible to only treat one arch, this is by far the exception. A better result is usually achieved if both arches are treated. Even if it may appear to you that "the lower teeth are fine", usually some movement of the lower teeth is necessary to provide the leeway for...” Read more
Irena Vaksman, San Francisco, CA
“Invisalign is typically done for both upper and lower teeth, even if you are only actively treating one arch. It is best to control the bite while moving the teeth, thus it is recommended to wear both upper and lowers aligners throughout treatment. ” Read more
Steven Bader, Newton Centre, MA
“It sounds like you are asking if you can choose to have Invisalign treatment for your upper teeth only. Absolutely! An evaluation with an Invisalign certified dentist will show you whether it may help to make some changes to your lower teeth to allow your upper teeth to look better. Most...” Read more
Les Latner, Los Angeles, CA
“Generally, when moving teeth in one arch (the upper arch in this case), then the teeth might not bite together properly unless the teeth on the lower arch are moved. Each patient's situation is different and needs to be evaluated by your dentist. Les Latner, DDS, MAGD drles@ucla.edu ” Read more
Michael Apa, New York, NY
“Most cases will require some minor movement of the bottom teeth at the same time, however it is possible to use an upper tray only.” Read more
Marlen Martirossian, River Edge, NJ
“For the most part you do have to wear the lower Invisalign retainer for some minor bite correction.” Read more

I want to reduce the horizontal wrinkles across my forehead.

Ah, forehead wrinkles. Their very designation as "frown lines" is misleading, since they actually form vertically between the eyebrows and across the forehead. While it's commonly assumed that wrinkles are primarily stress-induced (explaining the aforementioned misnomer), these features are in fact the combined product of not only anxiety but, more likely, sun exposure and muscle movement.

Wrinkling is caused by the lack of collagen, the protein that makes up 80% of the skin and accounts for its ability to stay hydrated and elastic. As collagen is damaged by the sun and by aging, your skin is left thinner, weaker, and less capable of returning to a smooth, taut state after contorting your forehead. Wrinkles will appear whenever muscles move in your forehead - for example, when you squint. Worse yet, the wrinkles will eventually just settle in permanently, appearing even when you're relaxed.

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Ultherapy

Age may bring wisdom, but it also causes the flesh on the forehead, cheeks, jawline and neck to loosen and slump. Hence, Ultherapy. Ultherapy is a non-invasive device that uses focused ultrasound energy to lift the face and neck.

During treatment, the Ultherapy hand piece heats the underlying tissues of the skin to promote collagen growth, while leaving the surface unaffected. The amplification of collagen both lifts and tightens the treated area.

Ultrasound is sonic energy that is above the hearing limits of humans (though it can be heard by some animals, like dogs and cats). The vibrations caused by ultrasound can be used to clean teeth, create internal images of the body, and, in the case of Ultherapy, deliver energy into deep skin tissue for cosmetic purposes.

One main advantage of Ultherapy is how accurately it targets energy. Over 95 percent of the ultrasound heat goes to the intended spot, leaving a mere five percent to go above and beyond the intended treatment…

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Home teeth whitening (bleaching)

Social habits, like smoking and sipping on dark beverages, can tarnish the surface of teeth, causing them to appear yellow and discolored. Home teeth whitening systems can reverse this natural wear and tear, resulting in a whiter smile.

Home bleaching kits come in the form of strips or trays, containing one of two active ingredients—either hydrogen peroxide or carbamide peroxide. Both are equally prevalent in home whitening products and produce comparable results. Learn about two of the most popular and effective home whitening systems: Crest WhiteStrips and Rembrandt FormFit.

Carbamide peroxide was the first ingredient to be used. A slightly gentler compound, carbamide appears in these products in higher concentrations. On average, home bleaching kits contain 5% hydrogen peroxide or 10% carbamide peroxide (dentists can use more than four times this amount). When exposed to water, peroxides create a chemical reaction that breaks down the pigmented elements responsible…

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Sunless tanning

Tanning can give the skin an attractive golden glow. But UVA and UVB rays from the sun can also wrinkle your skin (through breaking down elastin and collagen) and increase the likelihood of developing melanomas and other skin cancers.

The solution, for many, is sunless tanning. A sunless tan can be achieved in one of many ways and most commonly involves the application of reactive chemicals (DHA and/or erythrulos—more on them later) to the skin to give it the appearance of a suntan without actually spending time in the sun.

It's possible to temporarily color the face without chemicals - through the use of cosmetic bronzers, which are tinted powders or creams - but if you're looking for an overall glow that won't wash off right away, sunless tanning is the way to go. Keep in mind that sunless tanning does not provide any protection from the sun - it's not a "base tan."

Sunless tanners come in two main forms: lotions and spray tans. You can apply these lotions and…

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