The effects of skin enhancers usually last 4-12 months, depending on factors such as skin type, age, lifestyle, product selection and injection technique. Dry skin may have shorter effects, while oily skin and young people have longer effects.
Skin type
A clinical study of 250 patients with dry skin showed an average increase in moisture content of 34% and a reduction in fine lines of about 20% within two weeks of injection. Its metabolism rate is 12%-15% higher than that of oily skin, which means that the effects usually only last for 4-6 months. If not properly cared for, this time may be shortened to 3 months.
When oily skin receives hyaluronic acid skin enhancers, the product is absorbed 18% faster than normal skin. The effect lasts for 6-8 months. Enhancers designed for oily skin account for 22% of the total sales. After injection of normal skin, the metabolic half-life of hyaluronic acid products is usually around 9 months. 90% of the subjects can still clearly feel the improvement in skin elasticity and brightness 9 months after injection. More details on Botox.
About 8%-12% of people with sensitive skin show mild allergic reactions to hyaluronic acid products. The effect lasts for about 3-4 months for this group of people. The cost of care is usually 1.5 times higher than that of normal skin. More than 58% of users with combination skin report that the absorption efficiency of products in the T zone is about 25% lower than that in the U zone. The effect of the T zone usually lasts for 5-6 months, while the U zone can reach 8-10 months.
The effect is fast-acting for those aged 25-35, but the duration is less than 6 months. The duration of users over 35 years old is 8-12 months on average. A 45-year-old woman underwent a skin test at the 10th month after injection and found that the skin moisture content was still maintained at more than 85% of the initial injection level.
The skin of smokers ages twice as fast as that of non-smokers, and the effect of injections usually lasts more than 3 months shorter than that of non-smokers. Skin enhancers from high-end brands (such as Restylane and Juvederm) cost between $300 and $500 per ml and last an average of 9-12 months. Low-end products cost about $100 per milliliter, but the effects are mostly 3-6 months.
Care habits
For those who carefully complete the skin care process every night, the effect of the injection lasts an average of 8.2 months, which is nearly 30% longer than the group that does not take care regularly. For users who use moisturizing products more than twice a day, their skin moisture content remains above 40% 6 months after the injection, while this figure is only 22% for those who slack off in care.
Ultraviolet radiation can increase the decomposition rate of hyaluronic acid by 18%-25%. For users who use products with a sun protection factor (SPF) of 30 or more every day, the effect lasts an average of 2.5 months longer than those who do not use sunscreen products. Exposure to strong sunlight for more than 1 hour will directly cause the skin to lose up to 15% of moisture.
For people who consume at least 500 mg of vitamin C every day, the skin elasticity increases by 15% after injection, and the effect lasts for up to 10 months. For those who eat a high-sugar diet, the rate of skin elasticity decline is 1.8 times that of healthy eaters, and the duration of the injection effect is shortened to 4-5 months.
People who get 7-8 hours of deep sleep every night have a skin repair ability that is nearly 25% higher than those who sleep less than 6 hours. After the injection, the hyaluronic acid concentration in the skin of users who sleep less than 4 hours a night drops by 40% within 3 months, while those who get enough sleep only drop by 15%.
For users who do high-intensity training more than 5 times a week, the decomposition rate of hyaluronic acid increases by about 20%, resulting in the injection effect lasting only 5-6 months. For users who do low-intensity aerobic exercise 2-3 times a week, the effect lasts for more than 8 months.
Using moisturizers containing ceramide and hyaluronic acid can reduce the water loss rate by up to 35%, and the water-locking effect of ordinary lotion products is nearly 50% lower than that of professional products. One year after quitting smoking, smokers’ skin quality scores increased by an average of 28%, and the injection effect lasted for 6-9 months, while the effect of continuous smokers lasted only 3-4 months.
Living in an environment with a humidity of less than 40% for a long time increases the rate of skin water loss by about 20%. For users living in dry areas, if they use a humidifier to increase the indoor humidity to 50%-60%, the injection effect can be extended for about 2 months.
Lifestyle
For people who drink frequently, the injection effect lasts 30% shorter than that of non-drinkers. For those who drink more than one cup a day, the skin moisture content drops by more than 20% within 2 months after the injection. For people who have long-term lack of sleep (less than 5 hours a night), the skin metabolism capacity drops by nearly 35%, and the average duration of the effect after the injection is only 4-5 months, while those with normal work and rest can maintain it for more than 8 months. The skin moisture content of night shift workers in the third month after the injection is only 50% of the original level, while that of day shift workers is maintained at more than 80%. Learn more about Botox.
For people who consume more than the recommended amount of sugar per day (25 grams), the skin elasticity drops by 40% in the sixth month after the injection. The elasticity of people on a low-sugar diet only drops by 15%, and the injection effect lasts about 2 months longer. For people who consume 1.5-2 liters of water per day, the effect lasts an average of 9 months. For people who drink less than 1 liter of water per day, the efficiency of skin water metabolism decreases by 20%, and the effect duration is shortened to about 5 months. Increasing the amount of water you drink per day can increase skin thickness by 7%. For people with high stress, the effect duration of skin strengtheners is 2 months shorter than that of people with low stress on average. For people who manage stress, the elasticity of the injection increases by 25%.
For people who do more than 5 hours of high-intensity training per week, the effect of the injection lasts for an average of 5-6 months, while for people who choose medium-to-low-intensity exercise (such as walking or yoga), the effect can last for more than 9 months. For people who do not replenish water in time, the rate of skin water content decreases by about 15%.
For users who take an additional 500 mg of vitamin C per day, the effect of the injection lasts more than 10% longer than those who do not take it. When the skin is exposed to pollutants such as PM2.5, the decomposition rate of hyaluronic acid increases by 15%-20%. For people who use air purifiers or go out less, their skin water loss rate decreases by 30%.
Different brands of products
The effect of Juvederm products after injection usually lasts for 9-12 months. 85% of participants reported significant improvement in skin plumpness 6 months after injection. The average price per ml is $400-600. Restylane injections usually last 6-9 months. The price per ml is between $300-500. The incidence of side effects is less than 2%.
Revofil products can significantly improve skin elasticity within 3 months after injection, and the effect usually lasts for 5-8 months. It costs about $200-300 per ml. Belotero lasts for 7-10 months. This brand costs between $350-450 per ml.
High-concentration hyaluronic acid formula, with up to 25 mg per ml, costs about $100-150 per ml, but only lasts about 4-6 months. 90% of users report significantly improved skin radiance in the 5th month after injection, which lasts for about 6-8 months. This brand costs between $250-400 per ml.
Profhilo is a high-concentration hyaluronic acid injection, with a content of up to 32 mg per milliliter, which is more than twice that of ordinary skin enhancers. The effect of Profhilo products lasts for 9-12 months, and the price is usually between $600-800 per milliliter.
Injection dose
When 1 ml of hyaluronic acid is injected each time, the effect usually lasts for 6-9 months, while when it is increased to 2 ml, the duration is only increased to 9-12 months. It is generally recommended to inject 0.3-0.5 ml to achieve significant improvement. After 0.5 ml of hyaluronic acid is injected into the tear trough, the effect lasts for about 8 months, while the duration of 1 ml injection is only extended by 1-2 months. After 1 ml of the product is injected into the nasolabial folds, 78% of users maintain the effect for more than 9 months, while users who use 0.8 ml maintain the effect for about 6 months, but the satisfaction score drops by 18%.
Each injection of 3 ml of hyaluronic acid can significantly improve the fullness and radiance of facial skin for 12 months, while the effect of 2 ml lasts for 8-10 months. Although the 3 ml dose is more effective, the cost-effectiveness of the product per ml is reduced. Click here for a detailed step-by-step guide on applying skin boosters.
The moisture loss rate of dry skin is 15%-20% higher than that of normal skin. After 1.5 ml of hyaluronic acid is injected into dry skin, the water content can be increased by 35%, and the effect lasts for about 6-8 months. For normal skin, the same dose is usually injected for 8-10 months.
Oily skin is prone to uneven absorption of the product after more than 1 ml is injected into each part. The best recommendation is to inject 0.5-0.8 ml per part, and the maintenance time is between 7-9 months. After 1.5 ml of hyaluronic acid is injected into each nasolabial fold of people over 55 years old, the improvement is 85%, and the effect lasts for 10-12 months. For young users (25-35 years old), due to faster metabolism, the maintenance time of the same dose is an average of 8-9 months.
The incidence of side effects increased by 22% for users who injected more than 2 ml of hyaluronic acid per part. At an average of $300 per milliliter of hyaluronic acid, a full-face injection of 3 milliliters costs $900, while 2 milliliters costs $600.
Physician skills
Injection cases performed by experienced professional doctors have an average satisfaction rate of 27% higher and a side effect rate as low as 3.5%. Inexperienced operation leads to a 15% risk of side effects. Doctors who are proficient in the anatomy can avoid important facial blood vessels during injection, reducing the probability of vascular embolism to 0.01%. Experienced doctors have an average duration of 9 months after injection, while the effect of novice doctors only lasts for 6-7 months.
Controlling the injection time of each milliliter of product within 60-90 seconds can significantly reduce the probability of bruising and swelling; in cases where the injection is too fast, 36% of patients have local redness and swelling. Patients who undergo a comprehensive facial analysis before surgery have a satisfaction score that is 32% higher than those who are not evaluated and directly injected.
Patients who provide detailed nursing instructions have an average recovery period of 20% shorter and a 15% lower incidence of side effects. Doctors will remind patients to avoid massaging the injection site within 48 hours after injection. Patients who ignore these details may have a recovery period of more than 1 week.
Doctors who have participated in professional training courses have a 25% higher patient satisfaction score. In informal institutions with lower fees, the incidence of side effects is as high as 22%, while the incidence of side effects in formal medical institutions with reasonable fees is only 3%. Although the price of the former may be as low as $150-200 per ml. More than 95% will not return to the clinic within one year after the injection due to poor results or side effects, while the return visit rate of novice doctors is as high as 25%.
Seasonal changes
The impact of different seasons on the skin may cause the effect to last up to 20% longer. Exposure to high-intensity ultraviolet rays for 3 hours will cause the hyaluronic acid content in the skin to decrease by about 15%. For those who do not take sun protection measures, the effect lasts for an average of 6-7 months, while users who use sunscreen products above SPF 50 can last for more than 9 months.
In winter, indoor heating systems reduce air humidity to below 30%, which increases the rate of moisture loss from the skin by 25%. The effect of injection is usually shortened to 4-6 months. For users who use a humidifier to maintain humidity at 50%-60%, the effect lasts for 8 months.
The decomposition rate of hyaluronic acid is about 12% lower than in summer and winter. About 10% reported mild redness and itching in autumn, while only 6% in summer. Exposure to an environment with a temperature difference of more than 15 degrees Celsius after injection extended the duration of swelling by 2 days, and the uniformity of hyaluronic acid distribution decreased by about 8%.
For users in areas with low humidity, the rate of skin moisture loss after injection is 15%-20% higher than in humid areas, resulting in the effect duration being shortened to about 5 months. For users living in areas with high humidity (such as Southeast Asia), the effect duration is usually about 9 months. The effect duration in spring and summer is extended by an average of more than 2 months.