NIOD describes CAIS3 as a water-based formula containing 1% GHK-Cu and 1% GHK peptide. Its official page lists a pH range of 5.7–6.7 and presents it as a foundational product for the appearance of aging skin. The captured US price was $62. The “3” and “1:1” are part of the current product identity; they are not instructions to mix separate products.

The GHK-Cu and GHK distinction makes this a more specific comparison than simply choosing the bluest serum. GHK without copper and a copper-bound complex are not interchangeable terms. NIOD’s explanation is useful formulation information, while its visible-aging claims still need finished-product evidence. A separate moisturizer may remain relevant when dryness is the main concern.

Read the actual formulation

The captured brand page identifies a copper peptide or GHK-Cu ingredient. Hyaluronic acid or sodium hyaluronate is discussed in the current ingredient information. The practical comparison is the named copper-peptide ingredients, the complete formula and the advertised product format. NIOD Copper Amino Isolate Serum 3 1:1 is listed as copper peptide serum, so its ingredient story should stay attached to that category. When the source does not establish a concentration or a complete base, we leave that detail open rather than fill it from another product.

A useful way to assess this option is to compare it with a product performing the same job. For NIOD Copper Amino Isolate Serum 3 1:1, ask whether the attraction is the named active, the texture, the access route or a particular brand claim. Those reasons lead to different alternatives. A reader satisfied with an existing moisturizer may be choosing a treatment step; a reader mainly concerned about dryness may be deciding whether a separate serum adds anything useful.

The evidence question for this product

Research on GHK-Cu includes laboratory work, tissue-repair studies and smaller topical investigations. Those designs are useful for understanding a rationale, but they do not establish that every commercial copper serum delivers the same visible results. That context does not independently verify an outcome for NIOD Copper Amino Isolate Serum 3 1:1. The official source documents what its manufacturer or provider presents. The formulation-specific details above are useful for comparison, while a claim of better results would require evidence on the finished product and an appropriate comparator.

Routine fit and cautions

A copper-containing cosmetic can still sting or trigger a reaction to its base. Do not use a consumer serum to treat an open wound, recover from a procedure or replace clinician-directed care. With NIOD Copper Amino Isolate Serum 3 1:1, the relevant discussion includes the named copper-peptide ingredients, the complete formula and the advertised product format. Check the complete label and describe other leave-on products to a clinician if your skin is already irritated. A review cannot set a personal prescription schedule or identify the cause of a new skin change.

Cost and the decision to buy

The source snapshot records $62.00 shown on the brand page. For NIOD Copper Amino Isolate Serum 3 1:1, confirm the actual selected size, quantity and purchase terms on the official page. Compare a retail bottle, a prescription supply and a consultation over the same period; their headline figures are not interchangeable. Subscription or bundle pricing is a separate purchase option, not a reason to assume that more products are necessary.

Our decision point is the named copper-peptide ingredients, the complete formula and the advertised product format. The information above helps decide what to read next and what needs clarification before purchasing NIOD Copper Amino Isolate Serum 3 1:1. Use the related product review for a specific alternative and the category comparison to see the options together. If the ingredient identity, intended use or cost remains uncertain, the official manufacturer or treating clinician is the appropriate source for that missing detail.

Sources and verification

Official pages establish product facts and provider claims. Clinical and regulatory sources answer separate evidence questions. Checked October 1, 2026. No medical reviewer is credited for this article.