The Estelin Niacinamide Serum (frequently available as the Brightening Serum or Rosehip & Niacinamide Spots Fading Serum) is a lightweight facial treatment designed to fade dark spots, refine pores, and restore a natural glow. • Overview: A dark-spot-fading and brightening formula that targets uneven skin tone, dullness, and post-acne marks. • Texture: Lightweight, non-greasy, and absorbs quickly into the skin. It can also double as a smooth makeup primer. • Size: Typically available in 30ml or 40ml bottles depending on the specific variant (such as the standard Niacinamide Brightening Serum or Rosehip & Niacinamide variant).


KSh850 KSh1400-39.29%
  • Brand: Estelin
  • Shipping: 
  • Return Policy: Return & Refund Policy Effective Date: 01/01/2026 Company: Glow & Sparkle Collections Jurisdiction: Republic of Kenya Glow & Sparkle Collections operates in accordance with the Consumer Protection Act, 2012 (Kenya) and is committed to fair, transparent, and lawful trade practices. 1. Right to Quality & Safety We guarantee that all products sold by Glow & Sparkle Collections: Are of acceptable quality Match their description Are safe for use when used as directed 2. Returns Eligibility Due to health, safety, and hygiene considerations as permitted under Kenyan law: Opened, used, or tampered skincare and cosmetic products are NOT eligible for return or refund. Returns are accepted only if the product is: Unused Unopened In original packaging with intact seals Return requests must be made within 48 hours of delivery or purchase Proof of purchase is mandatory 3. Non-Returnable Products The following items are not eligible for return under Kenyan consumer law exemptions for hygiene-sensitive goods: Opened or used cosmetics or skincare products Products with broken safety seals Items damaged due to misuse, negligence, or improper storage Promotional or clearance items Free or gift items 4. Damaged, Defective, or Incorrect Products In compliance with Section 35 of the Consumer Protection Act: If you receive a product that is: Defective Damaged upon delivery Incorrectly supplied You must notify us within 24 hours of delivery, providing: Clear photos or videos Proof of purchase Upon verification, we will provide one of the following remedies, as required by law: Replacement Repair (where applicable) Store credit Refund (where replacement is not possible) 5. Refunds Refunds will be issued where legally required or where replacement is not possible. Approved refunds will be processed within 5–7 business days. Refunds will be made via the original payment method or store credit. Delivery and shipping fees are non-refundable, unless the error was on our part. 6. Exchanges Exchanges are allowed only for unused and unopened products Requests must be made within 48 hours of delivery Products must be returned in original condition and packaging 7. Allergies, Sensitivities & Patch Testing In line with Kenyan consumer guidelines: Customers are advised to review ingredients before purchase A patch test is strongly recommended before full application Glow & Sparkle Collections shall not be held liable for allergic reactions or adverse effects once a product has been opened or used. 8. Return Shipping Responsibility Customers bear the cost of return shipping unless the return results from our error. We are not liable for items lost or damaged during return transit. 9. How to Lodge a Complaint or Request a Return Consumers may contact us through: Email: agumbabenta@gmail.com Phone/WhatsApp: +254751182479 Physical Address: Nairobi CBD, moi Avenue Please include your order number and details of the issue. 10. Policy Updates & Legal Compliance Glow & Sparkle Collections reserves the right to amend this policy in compliance with Kenyan law. Any updates will be published on this page. Where a dispute arises, it shall be resolved in accordance with the laws of Kenya.


Learn More


Key Ingredients
  • Niacinamide (Vitamin B3): Helps fade hyperpigmentation, brighten the complexion, regulate oil production, and minimize the appearance of enlarged pores. 
  • Rosehip Extract / Rosehip Oil (in Rosehip variants): Rich in vitamins A and C to support skin regeneration, deep hydration, and youthful luster. 
  • Sodium Hyaluronate / Hyaluronic Acid: Attracts and locks in moisture to plump and hydrate the skin. 
  • Vitamin E (in select blends): Provides antioxidant protection against free radical damage. 
  • Base components: Aqua, Glycerin, Propylene Glycol, Caprylic/Capric Triglyceride, and Dimethicone.



Benefits
  • Fades Dark Spots: Reduces the look of age spots, sun spots, and acne marks.
  • Refines Pores & Controls Oil: Balances sebum production, making it helpful for combination or oily skin types.
  • Brightens Dullness: Revitalizes tired, matte, or uneven skin to bring out a natural glow.
  • Deep Hydration: Infuses moisture to smooth out rough texture and prevent dehydration. 



Skin Type
  • Suitable for: Most skin types, including normal, oily, combination, dry, and sensitive skin (though very dry or reactive skin types should patch-test first). 



How to Use
    • Cleanse: Wash your face thoroughly and apply a toner if you use one.
    • Apply Serum: Take 2 to 3 drops of the serum and gently pat or massage it evenly onto your face and neck using your ring and middle fingers until fully absorbed.
    • Layer: Follow up with your regular moisturizer.
    • Daytime Protection: If applied during the morning routine, finish with a broad-spectrum sunscreen.
    • Frequency: Can be used daily, once or twice a day (morning and evening). [

Related products