SenAllis Cosmetics Hyaluronic Acid Serum Set — 16 fl oz Refill + 2 fl oz Dropper, Ultra Hydrating Anti-Aging Moisturizer

SenAllis Hyaluronic Acid Serum is a two-bottle hydrating set (16 fl oz refill + 2 fl oz dropper) formulated to deeply hydrate skin and visibly soften the look of fine lines and surface dryness.

This concentrated humectant serum contains pure hyaluronic acid designed to attract and hold moisture, helping skin appear plumper and smoother when used with a moisturizer. Made in the USA and packaged in durable plastic bottles to prevent shipping breakage, the set includes a refill-size 16 fl oz bottle and a travel-friendly 2 fl oz dropper bottle so you can test a small amount before committing to larger quantities.

How should I use this serum in my daily routine?

Apply a few small drops to clean, slightly damp skin so the hyaluronic acid can draw in moisture. Follow with your preferred moisturizer to lock hydration in; only a small amount is needed for effective results, and overapplication won’t improve outcomes.

• Use on face and neck after cleansing and before moisturizer.
• Apply to damp skin for best absorption.
• Use the 2 fl oz dropper for testing or travel, and the 16 fl oz for at-home refills.
• Do not refrigerate; store with expiration clearly marked on the larger bottle.

Is this serum safe for sensitive skin and how is it tested?

SenAllis conducts a Human Repeat Insult Patch Test (HRIPT) and did not observe skin reactions in the trial group; however, some individuals with extreme sensitivity may still react. If you are unsure, start with the 2 fl oz bottle to check tolerance before using the larger refill.

• Clinically trialed via HRIPT with no reactions in participants.
• Contains no fragrances, phthalates, or parabens.
• Recommended patch test for those with very reactive skin.

What packaging and sealing does the product use to prevent leaks?

The serum ships in sturdy plastic bottles to minimize breakage during transit. Larger bottles include an inner red cap and an outer cap, and the product is shrink-wrapped so bottles arrive securely sealed.

• Plastic bottles reduce shipping damage compared with glass.
• 16 fl oz refill has inner red cap plus exterior cap to prevent leaks.
• All units are shrink-wrapped for added tamper evidence.

How does hyaluronic acid support the look of aging skin?

Hyaluronic acid is a powerful humectant that attracts and retains water, helping skin appear fuller and reducing the visibility of fine lines caused by surface dehydration. When combined with a moisturizer, it enhances hydration for a smoother, more supple appearance without harsh ingredients.

• Holds many times its weight in water to boost surface hydration.
• Helps smooth the look of fine lines and slight imperfections.
• Works best under a moisturizer to lock in results.

Who is this for: This SenAllis Hyaluronic Acid Serum set suits anyone seeking a straightforward hydration boost—ideal for dry, combination, or aging skin types wanting to reduce the look of fine lines without fragrances or parabens. It’s also a practical choice for first-time HA users thanks to the small trial bottle and the larger refill for regular home use. If you have extremely sensitive skin, try the 2 fl oz dropper first to confirm compatibility before using the 16 fl oz refill.

Ingredients

Distilled Water, Hyaluronic Acid, Glycerin, Phenoxyethanol, Ethylhexylglycerin, Potassium Sorbate, Citric Acid