Sleep Wrinkles: How to Diminish Them?

Solution No. 1: Hyaluronic Acid Injections.

Sleep wrinkles are very difficult to diminish. Indeed, while expression wrinkles result from brief contractions of our facial muscles, sleep wrinkles are caused by the deformation of the skin over several hours in contact with the pillow. Traditional cosmetic tightening agents therefore have little effect on this type of wrinkles, unlike aesthetic medicine techniques.

Among them, hyaluronic acid injections are highly favored. These involve injectingcross-linked hyaluronic acid, a particularly stable form, using a sterilized medical syringe directly into the subcutaneous level to fill the areas affected by a loss of volume. The results generally last between six months and two years. Numerous studies have been conducted on the effects of hyaluronic acid injections on wrinkles. The results of some are compiled in the table below. Due to the high biocompatibility of hyaluronic acid, these injections are generally very well tolerated. The most common side effects remain minimal (redness, temporary swelling...). However, some serious adverse effects have been reported (tissue necrosis, infection...).

In case of doubt, it is important to immediately consult your doctor so that they can act quickly.

Study	Number of patients	Amount of Hyaluronic Acid Injected	Results
GOLDBERG & al. (2009)	27	0.4 mL per eye	After 3 months, photographic evaluation showed improvement in 23 patients, little change in 3, and deterioration in 1
GLASGOLD & et al. (2010)	12	0.5 mL per eye	After 1 month, there was an average volume increase of 17%
MALHOTRA & al. (2011)	100	0.59 mL per eye	After 3 months, 85% of the patients were "very satisfied" or "satisfied", 5% were "skeptical", and 10% were "dissatisfied"

The effects of hyaluronic acid injections on wrinkles.

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Solution #2: Botulinum Toxin Injections.

Botulinum toxin, commonly known as botox, can also be a solution for getting rid of wrinkles. It consists of 7 types of neurotoxins, but only toxin A is used for the injections. This toxin works by blocking the release of acetylcholine, a neurotransmitter involved in muscle activity, which results in a paralysis of the local muscles. This usually occurs 24 hours to two weeks after the botox injection and the effect can last between three and six months. By acting on the neuromuscular junction in this way, botox reduces facial wrinkles. The risks and side effects are substantially the same as those of hyaluronic acid injections.

Botulinum toxin injections are traditionally used to smooth out expression lines, but their use in the case of sleep wrinkles is also possible.

Solution No.3: A Deep Chemical Peel.

Beyond hyaluronic acid and botulinum toxin injections, the chemical peel is an option to combat sleep wrinkles. This is a dermatological procedure that involves applying phenol, a potent exfoliating agent, to the skin's surface to fight against signs of aging. The goal of a deep peel is to destroy the skin's superficial layers and reach the mid-reticular dermis, which allows for rapid renewal of the epidermal tissues and intense synthesis of collagen and elastin. It should be noted that this procedure should only be performed by a professional, after two to four weeks of skin preparation.

Indeed, deep peeling is not a trivial procedure and requires cardiac monitoring because phenol is toxic to the heart and its use is strictly regulated. The application of phenol causes an intense burning sensation, whitening and swelling of the skin, as well as bleeding. In the weeks following the peel, the skin must be protected from the sun and ointments and dressings must be regularly applied.

Solution #4: The Laser.

Finally, lasers are becoming an increasingly popular option for treating sleep wrinkles, offering a less invasive alternative to injections and chemical peels. There are several types of lasers used in dermatology, each relying on a distinct mode of action. One of the most commonly used is the CO2 fractional laser. It works by creating tiny perforations in the skin, thus stimulating collagen production and promoting the renewal of skin cells. This treatment may require a recovery period of several days to a week, during which the skin may be red and slightly swollen.

Another type of laser commonly used is the pulsed dye laser. While it is primarily used to fade redness and visible blood vessels, it can also help improve skin texture and reduce wrinkles. By specifically targeting cutaneous blood vessels, the pulsed dye laser promotes circulation and encourages the synthesis of elastic fibers. Side effects also include slight redness and temporary swelling.

Note : Other types of lasers such as the erbium laser or the Nd laser can help combat sleep wrinkles.