Innisfree Hyaluronic

Hyaluronic acid (HA) is a glycosaminoglycan naturally found in skin tissue, where it holds moisture at a ratio of up to 1000 times its own weight in water. As a topical ingredient it functions as a humectant: it draws water from the environment and from deeper skin layers toward the surface, creating the surface plumpness and dewy texture associated with well-hydrated skin. The limitation of HA as a standalone topical ingredient is that large HA molecules cannot penetrate beyond the skin's surface barrier; they sit on top and attract water there without reaching the deeper layers where hydration loss is also occurring.

Multi-molecular-weight HA formulas address this by including HA fragments at different sizes. Large HA (high molecular weight) forms a surface moisture-binding film. Medium HA penetrates slightly into the skin's outermost layers. Small HA (low molecular weight, hydrolyzed HA or HA fragments) can reach the mid-level skin layers. Innisfree's Green Tea Seed Hyaluronic series uses this multi-weight approach so the hydration effect covers multiple depths simultaneously rather than concentrating at the surface only.

The Green Tea Seed Hyaluronic Serum at 80 ml is the concentrated active step in the Green Tea HA line. It delivers the highest dose of both the green tea seed extract (catechin antioxidants) and the multi-weight HA in the smallest volume product in the line. Serums are designed for concentrated delivery: apply 2-3 drops after the skin toner step and press into the face. The 80 ml size is a full clinical-use size that lasts approximately 3-4 months with daily application at that dose.

Green tea seed extract specifically (as opposed to general green tea leaf extract) is rich in linoleic acid and antioxidant polyphenols from the oil fraction of the tea seed. Combined with HA, the serum delivers both lipid replenishment and water-phase hydration, addressing the two components of skin moisture (oil content and water content) in one step.

The Green Tea Hyaluronic Skin at 200 ml is a first-essence format: a thin, watery first product applied after cleansing to reset pH, add initial hydration, and prime the skin to absorb subsequent layers. In Korean skincare the Skin or Skin Toner step predates the standard American/European toner concept; it is a hydration-first product rather than an astringent. At 200 ml it is the largest-volume product in the Green Tea HA line and the one you repurchase most often at typical use rates.

Apply by patting with hands or a cotton pad immediately after cleansing while the skin is still slightly damp. The HA in the formula draws ambient moisture into the skin surface during the application. Follow with the Green Tea Seed Hyaluronic Serum and then the Green Tea Seed Hyaluronic Cream to complete the layered hydration routine.

The Green Tea Hyaluronic Acid Mist at 150 ml is the most flexible-use product in the HA line. It functions as a hydration prep step before serum application, as a daytime rehydration spray when skin feels dry or tight, or as a post-exercise or post-sun moisture reset. The fine mist nozzle disperses HA and green tea extract as a light, even layer without disrupting makeup when used at the correct application distance (hold the bottle 20-25 cm from the face and mist briefly).

The 150 ml size fits under airline liquid limits and is convenient for office or travel use. Unlike water-only facial mists that evaporate and can leave skin drier than before by drawing moisture out as they evaporate, the HA in this mist holds some of the applied water against the skin surface after the mist dries. This makes it a more substantive hydration step than plain thermal water.

The Green Tea Hyaluronic Acid Glow Eye and Face Ball at 10 ml is the most unusual format in the hyaluronic collection. The ball applicator is a metal or ceramic cooling sphere that rolls over the skin surface to apply the serum while simultaneously providing a massaging, depuffing effect under the eyes and on the face. The rolling motion stimulates lymphatic drainage and reduces puffiness, which is the primary reason eye cream applicators with ball heads are popular in Korean beauty. The HA and green tea base delivers hydration and antioxidant support while the ball applies it.

Use it in the morning on the under-eye area where puffiness is most common, rolling outward from the inner corner toward the temple. The cooling effect is enhanced if the product is stored in the refrigerator overnight. At 10 ml it is a targeted-use size, consistent with the under-eye and specific-zone application for which the ball format is best suited.

The Innisfree Hyaluronic Acid Moisture Sunscreen adds HA to the daily SPF step, addressing the dryness that some sunscreens cause in a formula that actively moisturizes while protecting. At SPF50+ PA++++ it meets the highest UV-A and UV-B protection tier. The HA in the formula draws moisture into the skin during SPF application, which is the opposite of the mattifying dryness effect some chemical sunscreens cause.

This sunscreen is the practical choice for dry to normal skin where standard matte or dry-touch sunscreens cause tightness. Apply as the final step in the morning routine after moisturizer and before makeup. At 50 ml it is a standard daily-use size for the face. Use a half-teaspoon amount (about 0.5 ml) for adequate protection; applying less than the full recommended amount reduces the effective SPF below the labeled number.

The Hyaluronic Acid Active Mask is the intensive weekly hydration step in the HA collection. The mask holds a high concentration of multi-weight HA against the skin for a sustained 15-20 minute contact session, delivering more HA in a single application than the daily serum step can provide. The result is immediately visible: skin feels firmer and more plump immediately after removal, with the dewy surface texture that HA's moisture-binding provides at its most saturated.

Use the HA Active Mask once to three times per week based on your skin's hydration level. For very dehydrated skin, three sessions per week is appropriate during a rehydration phase; once a week is the maintenance frequency once baseline hydration is restored. Apply the mask after toner and before your moisturizer step, or skip the moisturizer if the mask session alone provided enough hydration for the evening.

A full Green Tea Hyaluronic daily routine: cleanse, apply the Green Tea Hyaluronic Skin toner while skin is damp, follow with the Green Tea Seed Hyaluronic Serum, then seal with the Green Tea Seed Hyaluronic Cream. In the morning, add the HA Moisture Sunscreen as the final step. Use the Green Tea HA Mist throughout the day for midday hydration. Once weekly, replace the serum step with the HA Active Mask for an intensive hydration session. Use the Glow Eye and Face Ball in the morning targeting the under-eye area before the serum step.

This full routine uses every HA product in the collection in a logical sequence without duplication. For a minimal version, the Serum plus Cream covers the concentrated delivery and moisturizing seal with two products. Everything else in the collection supplements that core without being strictly required for the basic HA hydration outcome.