Dévida vitamin c skin brightening tone equalizing premium serum
Stock code: da2501-a24
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🧴 what is it and what is it used for?
Dévida citréa vitamin c premium serum is a powerful vitamin c care serum that helps to even out the overall tone of the skin, brighten it and reduce the appearance of dullness.with a light structure, it quickly penetrates the skin, giving it energy and providing a healthy glow.
Purposes of use:
1. even out skin tone
2. reducing the appearance of dullness and fatigue.
3.giving skin natural glow and vitality
4.to provide antioxidant support
5. supporting the reduction of the appearance of sun-induced tone differences.
🔬 active ingredient information
Citréa series a240 helps to balance and brighten skin tone with its formula containing vitamin c derivatives and niacinamide.vitamin c aims to give the skin a brighter and more vibrant appearance by supporting it with an antioxidant effect.niacinamide helps to strengthen the skin barrier and reduce the appearance of tone inequality.
Supporting components:
• sodium hyaluronate (hyaluronic acid): moisturizes and plumps the skin.
Panthenol (provitamin b5): it soothes the skin and supports barrier repair.
Glycine soja (soy peptide): supports skin regeneration.
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Product form and packaging information
The product has a volume of 30 ml.
• presented in a pharmaceutical quality glass bottle, with dropper
Box contents: 1 serum bottle + usage instructions
• unopened product shelf life: 24 months
⏱️ duration of effect
Based on clinical observation and user experience:
• skin gains brightness and moisture level increase:observable within the first 2 weeks.
• even skin tone and increased vitality: makes a visible difference within 4–6 weeks with regular use.
🔁 the permanence and duration of the effect may vary depending on age, skin type and usage pattern.
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Things to consider before use
• do not apply directly very close to the eyes. in case of eye contact, rinse thoroughly with plenty of water. apply at least 1 cm away from the lower eyelid.
• if your skin is very sensitive, it is recommended to test on the inside of the elbow before first use.
• consult your doctor before use if you are pregnant or breastfeeding.
Do not apply to open wounds or areas with active infections.
• use with caution when using retinol, aha/bha containing products in the same routine.
👩⚕️ how to use?
1. Clean and dry your skin.
2.take 1–2 drops of serum into palm.
3.apply to the face, forehead and neck area.avoid direct contact with the eyes; keep at least 1 cm away from the eye area.
4. apply to the skin with gentle, upward circular motions using your fingertips.
5.do not rinse. product is formulated to stay on the skin.
6.especially recommended to use in the morning, can also be used in the evening at will.
For sensitive skin using for the first time, it is recommended to start with once a day or once every two days.
8.follow with a moisturizer appropriate for your skin type after application.
9. be sure to apply spf 30-50 sunscreen in the morning.
Starting to use:
• normal/oily skin → once a day, morning and evening if tolerated
• dry/sensitive skin → 1 time a day, preferably in the morning
• very sensitive skin → 1 every 2 days, preferably in the morning
Be sure to use it with spf 30-50 for morning use.
🧬 clear usage guide (by age + skin type)
Age range skin type frequency of use additional support products (from devida)
18–25 oily / combination skin: once daily (morning) morning: dg2504-g10 sunscreen evening: a25 moisturizer
18-25 dry / sensitive 1 time in 2 days (morning) morning: devida a25 + sunscreen evening: a25 moisturizer
26–35 oily / combination skin: once daily (morning) morning: dg2504-g10 sunscreen evening: a25 moisturizer
26–35 dry / sensitive once a day (morning) morning: devida a25 + sunscreen evening: a25 moisturizer
36–45 oily / combination once a day (morning) morning: sunscreen evening: a20 anti-spot or a23
36–45 dry / sensitive once a day (morning) morning: a25 + sunscreen evening: a23 + a25 moisturizer
46+ all skin types once daily (morning) morning: sunscreen evening: a20 or a23 + a25 moisturizer
💡 for all skin types, apply the product to clean skin in the morning and/or evening. it is recommended to follow up with a moisturizer suitable for your skin type. it is recommended to follow up with a moisturizer suitable for your skin type.
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💬 frequently asked questions (faq)
1. what age should start using this?
Can be used preventively from the age of 25. regular use is recommended after the age of 30.
2. i am 40 and have oily skin. how often should i use it?
It can be used twice a day, in the morning and in the evening.however, if there is sensitivity, it is recommended to use it only in the evening.
3.i have sensitive skin, can i use it?
Yes. however, it's recommended to do a patch test on the inside of your elbow before the first use. use in conjunction with a moisturizer that supports the skin barrier.
4.can i use it during pregnancy?
It's generally safe since it doesn't contain retinol, but it's recommended to consult your doctor.
5.can i apply it around my eyes?
No.it is not formulated for the eye area.apply without getting close.
6.how long is the product enough?
A 30 ml bottle is sufficient for approximately 4-5 weeks depending on the frequency of use.
7.when will it take effect?
It provides a noticeable difference in skin brightness and moisture increase within 2 weeks, and in tone evenness within 4-6 weeks.
8.can i use it together with other serums?
It should not be used with aha/bha or retinol in the same routine.it can be used alternately morning and evening.
9. is the product vegan and cruelty-free?
No, it is not tested on animals. it has a vegan formula.
📦 storage conditions
• store the product in a cool, dry, non-lighted environment.
• do not expose to the sun.
• you don't have to refrigerate it, but keep it away from hot environments.
• it is recommended to use it within 12 months after opening.
🧬 dévida a24 vitamin c serum – molecular scientific action
• molecular reason for skin lightening:oxidative steps generated during melanin production lead to dark and uneven pigment buildup in the skin, vitamin c limits melanin synthesis by inhibiting the oxidative activity of the tyrosinase enzyme.
• biochemical reason for dullness: , reduces light reflecting capacity of epidermal cells. vitamin c neutralizes free radicals (ros) which enhances the optical brightness of the skin surface.
• skin tone refinement: while vitamin c suppresses the production of melanin, it also indirectly promotes the epidermal cell renewal cycle.this effect results in a more homogeneous perception of skin color.
• daily protection against environmental damage: uv rays and ros formation due to air pollution trigger early signs of aging in the skin, vitamin c reduces the accumulation of this damage by forming an antioxidant defense system.
• secondary collagen support: vitamin c is a cofactor for the prolyl and lysyl hydroxylase enzymes involved in collagen synthesis. this effect is not anti-wrinkle, but a support mechanism to slow down collagen loss.
Thank you for investing in your skin with dévida.
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📩 contact us for any questions:
Turkey support: +90 535 320 45 45
Tel: +90 0212 668 94 44
Address: gazi mustafa kemal cad: no: 5/a istanbul turkey