Double eyelids or round eyes are considered a sign of feminine beauty in East Asia. Some women opt for a temporary solution by wearing eyelid glue. The glue is painted on the upper eyelid, which is then pushed upward with a plastic prong and held in place by the adhesive. The glue has to be dried for 5 – 10 minutes before creating a fold. This method creates or enhances a fold in the eyelid ("double eyelid") that opens up the eye exposing the eyelashes.[3] Some men also use eyelid glue. The glue does not last and must be reapplied after a few hours. Eyelid glue may also cause irritation.[4]

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A cleanser is a product used to cleanse something, such as a detergent or industrial cleaning agent. A popular type of cleanser is a facial care product that is used to remove make-up, dead skin cells, oil, dirt and other types of pollutants from the skin of the face. This helps to unclog pores and prevent skin conditions such as acne. Many people use a cleanser once or more times a day as part of their skin care regimen together with a toner and moisturizer. Using a cleanser to remove dirt is considered to be a better alternative to bar soap or another form of skin cleanser not specifically formulated for the face for the following reasons: Bar soap has a high pH (in the area of 9 to 10), and skin's natural pH is 5.5[citation needed]. This means that soap can change the balance present in the skin to favor the overgrowth of some types of bacteria, increasing acne. Bar cleansers in general, soap or not, have thickeners that allow them to assume a bar shape can clog pores, leading (once again) to acne[citation needed]. Using bar soap on the face can remove natural oils from the skin that form a barrier against water loss. This causes the sebaceous glands to subsequently overproduce oil, a condition known as reactive seborrhoea, which will lead to clogged pores[citation needed]. Conversely, in order to prevent drying out the skin, many cleansers incorporate moisturizers.

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Facial toning is a type of cosmetic procedure which promises to alter facial contour and reduce wrinkles, sagging and expression marks in the face by means of increasing muscle tone, increasing facial volume by promoting muscular hypertrophy, and preventing muscle loss due to aging. It is therefore part of the techniques for achieving facial rejuvenation. Facial toning can also help aid one's appearance due to weight gain of the face that results in facial distortion. Facial toning achieves this by performing facial muscle exercising. There are two types of facial toning exercises: Active exercising. In this, the user performs a repetition of voluntary contractions of certain facial muscle groups, using a mirror. Passive exercising by direct skeletal muscle electrostimulation. In this, flat metal electrodes smeared with a conductive gel are affixed to certain points in the face and an elecrostimulation divide is used to generate waveforms which promote facial muscle contractions. Although theoretically possible, effectiveness of facial toning techniques are difficult to evaluate and prove scientifically. As these muscles are not prime movers, like any internal muscle additional resistance cannot be added, so the muscles will not grow or gain much strength. It is solely an endurance and active flexibility exercise. They may be dangerous, even, in the case of particularly strong electrical stimulation near the eyes. Chronic pain, delayed onset muscle soreness, neuritis and facial distortions and asymmetry may ensue.

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Botulinum toxin is a protein produced by the bacterium Clostridium botulinum, and is considered the most powerful neurotoxin ever discovered. Botulinum toxin causes Botulism poisoning, a serious and life-threatening illness in humans and animals.[1][2] When introduced intravenously in monkeys, type A (Botox Cosmetic) of the toxin exhibits an LD50 of 40-56 ng, type C1 around 32 ng, type D 3200 ng, and type E 88 ng, rendering the above types some of the most powerful neurotoxins known.[3] Popularly known by one of its trade names, Botox or Dysport, it is used for various cosmetic and medical procedures.

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Permanent makeup is a cosmetic technique which employs tattoos (permanent pigmentation of the dermis) as a means of producing designs that resemble makeup, such as eyelining and other permanent enhancing colors to the skin of the face, lips, and eyelids. It is also used to produce artificial eyebrows, particularly in people who have lost them as a consequence of old age, disease, such as alopecia, chemotherapy, or a genetic disturbance, and to disguise scars and white spots in the skin such as in vitiligo. It is also used to restore or enhance the breast's areola, such as after breast surgery. Most commonly called permanent cosmetics, other names include dermapigmentation, micropigmentation, and cosmetic tattooing,[1] the latter being most appropriate since permanent makeup is, in fact, tattooing. In the United States and other countries, the inks used in permanent makeup and the pigments in these inks are subject to FDA or similar agency regulation as cosmetics and color additives.

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